“Human nature flows from 3 main sources: desire, emotion, and knowledge.”

-Plato

“If the doors of perception were cleansed everything would appear to man as it is, infinite.”

-William Blake

“When anger arises, think of the consequences.”

-Confucius

“I have often regretted my speech. Never my silence.”

-Xenocrates

“Man must rise above the Earth – to the top of the atmosphere and beyond – for only thus will he fully understand the world in which he lives.”

-Socrates

“Man is most nearly himself when he achieves the seriousness of a child at play.”

-Heraclitus

“Virtue is nothing else other than right reason.”

-Seneca the Younger

“The two fulcra of medicine are reason and observation. Observation is the clue to guide the physician in his thinking.”

-Giorgio Baglivi

“Well begun is half done.”

-Aristotle

“Those who tell the stories rule society.”

-Plato

“All is for the best in the best of all possible worlds”

-Voltaire

“There are only two sorts of doctors: those who practice with their brains, and those who practice with their tongues.”

-William Osler

“Science is what you know. Philosophy is what you don’t know”

-Bertrand

“Entities should not be multiplied unnecessarily”

-William of Ockham

“I have had dreams and I have had nightmares, but I have conquered my nightmares because of my dreams.”

-Jonas Salk

“He is richest who is content with the least, for content is the wealth of nature.”

-Socrates

“He who thinks great thoughts often makes great errors.”

-Martin Heidegger

“Life affords no greater responsibility, no greater privilege, than the raising of the next generation.”

-C Everett Koop

“If one does not know to which port one is sailing, no wind is favorable.”

-Seneca the Younger

“Whereof one cannot speak, thereof one must be silent.”

-Ludwig Wittgenstein

“Only the dead have seen the end of war.”

-Plato

“Most people never run far enough on their first wind to find out they’ve got a second.”

-William James

“Who is also aware of the tremendous risk involved in faith – when he nevertheless makes the leap of faith – this is subjectivity… at its height.”

-Soren Kierkegaard

“Act as if what you do makes a difference. It does.”

-William James

“Life can only be understood backwards; but it must be lived forwards.”

-Soren Kierkegaard