Denis Diderot

"Without courage, no other virtue can be practiced."

"A man is as old as he feels, and a woman as old as she looks."

"The greatest thing a human soul ever does in this world is to see something."

"Hope is the last illusion."

"Humanity will never know a lasting peace until the last tyrant is removed from power."

"The time to enjoy a European tour is while you're young enough to appreciate it."

"Fear is born of ignorance."

"Life is so hard, how can we be anything but kind?"

"Dreams without goals remain dreams and ultimately disappoint."

"The only gratitude is the gratitude of heart."

"Education is the most powerful weapon you can use to change the world."

"Death is nothing to us. When we exist, death is not; and when death exists, then we do not."

"Technology is the knack of so arranging the world that we do not have to experience it."

"The truth of the matter is that we are all products of history."

"Money is a terrible master but an excellent servant."

"The strength of an individual is measured by his ability to withstand opposition."

"Adventure is worthwhile."

"The greatest discovery of all time is that a person can change his future by merely changing his attitude."

"Health is a state of complete physical, mental and social well-being."

"Imagination is more important than knowledge."

"Justice is the ligament which holds civilized beings and nations together."

"Literature is the most beautiful of all arts."

"War is an ugly thing, but not the ugliest of things."

"A man must have work to do before he has leisure to enjoy."

"Political truth is liberty; everything else is slavery."

"The supreme happiness is to know oneself."

"There is no such thing as a natural gift; it is just practice."

"Friendship is a vessel deep enough to contain all the joys and sorrows of life."

"Family is where life begins and love never ends."

"Solitude is where one discovers oneself."