After coming into contact with a religious man I always feel I must wash my hands.

What, then is truth?... Truths are illusions about which one has forgotten that this is what they are.

Every fact and every work exercises a fresh persuasion over every age and every new species of man. History always enunciates new truths.

The strongest have their moments of fatigue.

The consequences of our actions take hold of us, quite indifferent to our claim that meanwhile we have 'improved.

Seducing one's neighbor to a good opinion and then afterwards believing devoutly in this neighbor's opinion--who can match women in this clever ploy?

You say 'I' and you are proud of this word. But greater than this- although you will not believe in it - is your body and its great intelligence, which does not say 'I' but performs 'I'.