The books that the world calls immoral are books that show the world its own shame.
The only limits in life are the ones you set for yourself.
Creativity in science is as important as technical skill.
A belief is like a guillotine, just as heavy, just as light.
促使人们倾向于和平的激情是对死亡的恐惧,对舒适生活必需品的渴望,以及通过自己的努力获得这些的希望。
I have great faith in fools; self-confidence, my friends call it.