It takes just such painful and terrible things to occur for the great emancipation to take place.

Rational thought is interpretation according to a scheme which we cannot escape.

It is certainly not the least charm of a theory that it is refutable; it is precisely thereby that it attracts the more subtle minds. It seems that the hundred-times-refuted theory of the "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it.

Truth is only an illusion we have forgotten is an illusion.

No more fiction, for now we calculate; but that we may calculate, we had to make fiction first.

When one rows it is not the rowing which moves the ship: rowing is only a magical ceremony by means of which one compels a demon to move the ship.

The higher we soar the smaller we appear to those who cannot fly.