The existence of very pious feelings, in conjunction with intolerance, cruelty, and selfish policy, has never ceased to surprise and perplex those who have viewed it calmly from a distance. ... It is impossible to exaggerate the evil work theology has done in the world. What destruction of the beautiful monuments of past ages, what waste of life, what disturbance of domestic and social happiness, what perverted feelings, what blighted hearts, have always marked its baneful progress!

Birds and beasts have in fact our own nature, flattened a semi-tone.

Happiness consists not in having much, but in wanting no more than you have.

They [slaves] have stabbed themselves for freedom-jumped into the waves for freedom-starved for freedom-fought like very tigers for freedom! But they have been hung, and burned, and shot-and their tyrants have been their historians!

The existence of very pious feelings, in conjunction with intolerance, cruelty, and selfish policy, has never ceased to surprise and perplex those who have viewed it calmly from a distance. ... It is impossible to exaggerate the evil work theology has done in the world. What destruction of the beautiful monuments of past ages, what waste of life, what disturbance of domestic and social happiness, what perverted feelings, what blighted hearts, have always marked its baneful progress!

Reverence is the highest quality of man's nature; and that individual, or nation, which has it slightly developed, is so far unfortunate. It is a strong spiritual instinct, and seeks to form channels for itself where none exists; thus Americans, in the dearth of other objects to worship, fall to worshiping themselves.

The laws of our being are such that we must perform some degree of use in the world, whether we intend it, or not; but we can deprive ourselves of its indwelling joy, by acting entirely from the love of self.