Every instant of our lives is essentially irreplaceable: you must know this in order to concentrate on life.

Through fear of resembling one another, through horror of having to submit, through uncertainty as well, through skepticism and complexity, there is a multitude of individual little beliefs for the triumph of strange little individuals.

Generally among intelligent people are found nothing but paralytics and among men of action nothing but fools.

It is only in adventure that some people succeed in knowing themselves - in finding themselves.

To what a degree the same past can leave different marks - and especially admit of different interpretations.

To read a writer is for me not merely to get an idea of what he says, but to go off with him and travel in his company.

Believe those who seek the truth, doubt those who find it; doubt all, but do not doubt yourself.