"The only way to comprehend what mathematicians mean by Infinity is to contemplate the extent of human stupidity."
Science
"Calm down, my child. This is just a bad storm."
Courage
"Comfort the afflicted, and afflict the comfortable."
Justice
"Love is a canvas furnished by nature and embroidered by imagination."
Love
"The only thing that is constant is change."
Change
"Fear is very useful. It teaches us caution."
Fear
"Success consists of going from failure to failure without loss of enthusiasm."
Success
"I have always made it a rule never to smoke while sleeping."
Humor
"He who believes absurdities will commit atrocities."
Faith
"The more I read, the more I acquire, the more certain I am that I know nothing."
Education
"Time flies like an arrow. Fruit flies like a banana."
Humor
"History is filled with the sound of silken slippers going downstairs and wooden shoes coming up."
History
"Vanity is the bloom of conceit."
Wisdom
"The privilege of reasoning, as I take it, is but a poor comfort in this world."
Philosophy
"The true principle of theology is this: the God whom we adore is unique, universal, eternal, infinite, almighty, perfectly wise, perfectly good, all-knowing, all-present."
Faith
"Laws are spider webs through which the big flies pass and the little ones get caught."
Justice
"All our ancient history is no more than accepted fiction."
History
"Almost everything that is great has been done by youth."
"There is an astonishing imagination, even in the science of mathematics."
Science
"I may disagree with you, but I will always respect your right to your opinion."
Freedom
"The truth is like a lion; you don't have to defend it. Let it loose; it will defend itself."
Truth
"A witty saying proves nothing."
Wisdom
"Tears are the silent language of grief."
"The greatest virtue of man is his capacity for moral development."
"Wherever Confucius goes, he is always under the same sky."
Nature
"Chance is a word void of sense; nothing can exist without a cause."
Philosophy
"We cannot direct the wind, but we can adjust the sails."
"God is a circle whose center is everywhere and circumference nowhere."
Faith
"The multitude is always in the wrong."
"I am not my brother's keeper; I am my brother's brother."