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.

The more a country makes military weapons, the more insecure it becomes: if you have weapons, you become a target for attack.

The laws of gravity cannot be held responcible for people falling in love.

All these primary impulses, not easily described in words, are the springs of man's actions.

You believe in a God who plays dice, I in complete law and order.

Opinions about obviousness are to a certain extent a function of time.

In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.