Out of the multitude of our sense experiences we take, mentally and arbitrarily, certain repeatedly occurring complexes of sense impression (partly in conjunction with sense impressions which are interpreted as signs for sense experiences of others), and we attribute to them a meaning the meaning of the bodily object.

As long as there are sovereign nations possessing great power, war is inevitable.

I have never obtained any ethical values from my scientific work.

I recently discussed with an intelligent and well-disposed man the threat of another war, which in my opinion would seriously endanger the existence of mankind, and I remarked that only a supranational organization would offer protection from that danger. Thereupon my visitor, very calmly and coolly, said to me: "Why are you so deeply opposed to the disappearance of the human race?".

Is there not a certain satisfaction in the fact that natural limits are set to the life of the individual, so that at the conclusion it may appear as a work of art?

Nothing causes more consternation in a group of hypocrits than one honest man.

The illusion that we are separate from one another is an optical delusion of our consciousness.