"The ultimate principle of the universe is substance; existence is only accident."
Philosophy
"I love the future because it's where I am going to spend the rest of my life."
Dreams
"All bodies together and each body alone tend to move toward the largest body."
Science
"Sensuality is the religion of mankind in the absence of true religion."
Philosophy
"Let's work without theorizing; it is the only way to live."
"I would rather obey a fine lion than a hundred rats."
Leadership
"Memory is the treasure and guardianship of all things."
Time
"We look to Scotland for all our ideas of civilization."
Inspiration
"Charm is a way of getting the answer yes without having asked any clear question."
Power
"The more one reads, the more one wants to read."
Education
"It is dangerous to be right when the government is wrong."
Freedom
"The perfect is the enemy of the good."
Wisdom
"Judge a man by his questions rather than his answers."
Knowledge
"Common sense is not so common."
Wisdom
"The more I read, the more I acquire, the more certain I am that I know nothing."
Education
"Doubt is not a pleasant condition, but certainty is absurd."
Philosophy
"I have never made but one prayer to God, a very short one: 'O Lord, make my enemies ridiculous.' And God granted it."
Humor
"It is forbidden to forbid."
Freedom
"All is for the best in this best of all possible worlds."
Hope
"The secret of being boring is to say everything."
Wisdom
"Delay is the deadliest form of denial."
Time
"Superstition is to religion what astrology is to astronomy."
Faith
"The best is the enemy of the good."
"Sensuality has never ruined the world, nor do I believe it ever will."
Life
"Each player must accept the cards life deals him or her: but once they are in hand, he or she alone must decide how to play the cards in order to win the game."
Success
"Mankind will always wield the weapon to suit the needs of its age."
Technology
"We are rarely proud when we are alone."
Solitude
"The human brain is like a computer. It can be programmed."
"Appreciation is a wonderful thing; it makes what is excellent in others belong to us as well."
Gratitude
"Work keeps at bay three great evils: boredom, vice, and need."
Work