Life is not a spectacle or a feast; it is a predicament.
A string of excited, fugitive, miscellaneous pleasures is not happiness; happiness resides in imaginative reflection and judgment, when the picture of one's life, or of human life, as it truly has been or is, satisfies the will, and is gladly accepted.
A man is morally free when, in full possession of his living humanity, he judges the world, and judges other men, with uncompromising sincerity.
Those who cannot remember the past are condemned to repeat it.
Sanity is a madness put to good use.
Fanaticism consists in redoubling your effort when you have forgotten your aim.
A man's feet should be planted in his country, but his eyes should survey the world.
My atheism, like that of Spinoza, is true piety towards the universe and denies only gods fashioned by men in their own image, to be servants of their human interests.
Character is the basis of happiness and happiness the sanction of character.
Science is nothing but developed perception, interpreted intent, common sense rounded out and minutely articulated.