And nobody lies as much as the indignant do.

Knowledge kills action; action requires the veils of illusion.

Does not the discipline of the scientific spirit just commence when one no longer harbours any conviction?

You are treading the path to your greatness: no one shall follow you here! Your passage has effaced the path behind you, and above that path stands written: Impossibility.

If there were gods, how could I endure not to be a god? Therefore there are no gods.

Once and for all, there are many things I choose not to know.--Wisdom sets limits even to knowledge.

Mathematics would certainly have not come into existence if one had known from the beginning that there was in nature no exactly straight line, no actual circle, no absolute magnitude.