It is nobler to declare oneself wrong than to insist on being right --especially when one is right.

Alas! There cometh the time when man will no longer give birth to any star. Alas! There cometh the time of the most despicable man, who can no longer despise himself.

He who has attained intellectual emancipation to any extent cannot, for a long time, regard himself otherwise than as a wanderer on the face of the earth and not even as a traveller towards a final goal, for there is no such thing.

"This - is now my way - where is yours"? Thus did I answer those who asked me "the way". For the way - it does not exist!

Metaphysical world.- It is true, there could be a metaphysical world; the absolute possibility of it is hardly to be disputed. We behold all things through the human head and cannot cut off this head; while the question nonetheless remains what of the world would still be there if one had cut it off.

Every man who has declared that some other man is an ass or a scoundrel, gets angry when the other man conclusively shows that the assertion was erroneous.

...the only psychologist from whom I have anything to learn.