Logical Reasoning

• “It is the mark of an educated mind to be able to entertain a thought without accepting it.” — Aristotle
• “Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.” — Arthur Conan Doyle (Sherlock Holmes)
• “He who knows all the answers has not been asked all the questions.” — Confucius
• “The important thing is not to stop questioning. Curiosity has its own reason for existing.” — Albert Einstein
• “A wise man can learn more from a foolish question than a fool can learn from a wise answer.” — Bruce Lee
• “What gets us into trouble is not what we don’t know. It’s what we know for sure that just ain’t so.” — Mark Twain
• “The measure of intelligence is the ability to change.” — Albert Einstein
• “A fanatic is one who can’t change his mind and won’t change the subject.” — Winston Churchill
• “If a man’s actions are wrong, it does not matter if a million people say he is right.” — Mahatma Gandhi
• “The man who asks a question is a fool for a minute, the man who does not ask is a fool for life.” — Confucius
• “A problem well-stated is a problem half-solved.” — Charles Kettering
• “There are two kinds of people in the world: those who want to know, and those who want to believe.” — Friedrich Nietzsche
• “What is right is not always popular, and what is popular is not always right.” — Albert Einstein
• “An expert is a person who has made all the mistakes that can be made in a very narrow field.” — Niels Bohr
• “Never argue with a fool; onlookers may not be able to tell the difference.” - Mark Twain
• “Whenever you find yourself on the side of the majority, it is time to pause and reflect.” - Mark Twain
• “It is curious that physical courage should be so common in the world and moral courage so rare.” - Mark Twain

Emotional Intelligence

• “Anybody can become angry—that is easy, but to be angry with the right person, and to the right degree, and at the right time, and for the right purpose, and in the right way—that is not within everybody’s power and is not easy.” — Aristotle
• “Any person capable of angering you becomes your master; he can anger you only when you permit yourself to be disturbed by him.” — Epictetus
• “Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.” — Viktor Frankl
• “We are not thinking machines that feel, we are feeling machines that think.” — Antonio Damasio
• “In a very real sense we have two minds, one that thinks and one that feels.” — Daniel Goleman
• “If we could read the secret history of our enemies, we should find in each man’s life sorrow and suffering enough to disarm all hostility.” — Henry Wadsworth Longfellow
• “To handle yourself, use your head; to handle others, use your heart.” — Eleanor Roosevelt
• “The walls we build around us to keep out the sadness also keep out the joy.” — Jim Rohn
• “Holding onto anger is like drinking poison and expecting the other person to die.” — Buddha
• “A man who is a master of patience is master of everything else.” — George Savile
• “The greatest weapon against stress is our ability to choose one thought over another.” — William James
• “We are more often frightened than hurt; and we suffer more in imagination than in reality.” — Seneca
• “Sometimes letting things go is an act of far greater power than defending or hanging on.” — Eckhart Tolle
• “Mastering others is strength. Mastering yourself is true power.” — Lao Tzu
• “You cannot swim for new horizons until you have courage to lose sight of the shore.” — William Faulkner
• “The ability to observe without evaluating is the highest form of intelligence.” — Jiddu Krishnamurti
• “Between what is said and not meant, and what is meant and not said, most of love is lost.” — Khalil Gibran.
• “If you’re depressed, you’re living in the past. If you’re anxious, you’re living in the future. If you’re at peace, you’re living in the present.” — Lao Tzu
• “Not everything that is faced can be changed, but nothing can be changed until it is faced.” — James Baldwin
• “Everything that irritates us about others can lead us to an understanding of ourselves.” — Carl Jung
• “A man sees in the world what he carries in his heart.” — Johann Wolfgang von Goethe
• “He who is not contented with what he has, would not be contented with what he would like to have.” — Socrates
• “The worst loneliness is not to be comfortable with yourself.” - Mark Twain
• “To succeed in life, you need two things: ignorance and confidence.” - Mark Twain
• “Kindness is the language which the deaf can hear and the blind can see.” - Mark Twain
• “Courage is resistance to fear, mastery of fear—not absence of fear.” - Mark Twain
• “Anger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured.” - Mark Twain

Interpersonal Relationships

• “I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.” — Maya Angelou
• “When dealing with people, remember you are not dealing with creatures of logic, but creatures of emotion.” — Dale Carnegie
• “Love is the only force capable of transforming an enemy into a friend.” — Martin Luther King Jr.
• “If there is any one secret of success, it lies in the ability to get the other person’s point of view and see things from that person’s angle as well as from your own.” — Henry Ford
• “Tact is the ability to describe others as they see themselves.” — Abraham Lincoln
• “The only way to have a friend is to be one.” — Ralph Waldo Emerson
• “The greatest compliment that was ever paid me was when someone asked me what I thought, and attended to my answer.” — Henry David Thoreau
• “An eye for an eye will only make the whole world blind.” — Mahatma Gandhi
• “The greatest gift you can give to someone is your own personal development.” — Jim Rohn
• “The way to love anything is to realize that it might be lost.” — G.K. Chesterton
• You will never truly appreciate a moment until it becomes a memory.
• “Love all, trust a few, do wrong to none.” — William Shakespeare
• “The best way to keep your word is not to give it lightly.” — George Santayana
• “A fool takes no pleasure in understanding, but only in expressing his opinion.” — Proverbs 18:2
• “A wise man speaks because he has something to say; a fool speaks because he has to say something.” — Plato
• “Most people do not listen with the intent to understand; they listen with the intent to reply.” — Stephen R. Covey
• “Politeness is the art of choosing among your thoughts.” — Madame de Staël

Mark Twain

• “Never allow someone to be your priority while allowing yourself to be their option.”
• “The more I learn about people, the more I like my dog.”
• “If you tell the truth, you don't have to remember anything.”
• “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.”
• “Let us endeavor so to live that when we come to die even the undertaker will be sorry.”
• “Few things are harder to put up with than the annoyance of a good example.”
• “The best way to win an argument is to let the other fellow talk himself into a corner and then politely hand him a mirror.”
• “If common sense were actually common, I wouldn’t have had to spend my life pointing out its absence.”

Additional Quotes

• "Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety.” - Benjamin Franklin
• “Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.” - John Adams
• “Always stand on principle, even if you stand alone” - John Adams
• “The society that separates its scholars from its warriors will have its thinking done by cowards and its fighting done by fools.” - Thucydides
• “There are only two creatures of value on the face of the earth: those with the commitment, and those who require the commitment of others.” - John Adams
• “If you get what you want by telling a lie then you are not smart enough to get it by telling the truth.” - Jordan Peterson
• “Thinking is difficult, that’s why most people judge.” - Carl Jung
• “The Quieter You Become, The More You Are Able To Hear” – Rumi
• “These walls are kind of funny. First you hate 'em, then you get used to 'em. Enough time passes, gets so you depend on them. That's institutionalized.” - Red (Shawshank Redemption)
• “It is far better to be alone than to be in bad company.” - George Washington
• “Seek to understand before being understood.” - Stephen Covey
• “It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.” - Mark Twain
• “Care about what other people think, and you will be their prisoner.” - Laozi