There is no significant idea which cannot be explained to an intelligent twelve year old boy in fifteen minutes.

Nothing prevents our denying life by suicide. well then, kill yourself, and you won't discuss. If life displeases you, kill yourself! You live, and cannot understand the meaning of life - then finish it, and do not fool about in life, saying and writing that you do not understand it. You have come into good company where people are contented and know what they are doing; if you find it dull and repulsive - go away!

Many families remain for years in the same place, though both husband and wife are sick of it, simply because there is neither complete division nor agreement between them.

A man's every action is inevitably conditioned by what surrounds him and by his own body.

Power is the relation of a given person to other persons, in which the more this person expresses opinions, theories and justifications of the collective action the less is his participation in that action.

Conceit is incompatible with understanding.

Every time I tried to express my most heartfelt desires to be morally good I met with contempt and ridicule; and as soon as I would give in to vile passions I was praised and encouraged. Ambition, love of power, self-interest, lechery, pride, anger, vengeance-all of it was highly esteemed.