It's not a question of who will allow me to do it, it's a question of who will stop me.

One loses everything when one loses one's sense of humor.

A society without intellectuals is like a body without a head

Live and act within the limit of your knowledge and keep expanding it to the limit of your life.

Contradictions do not exist. Whenever you think you are facing a contradiction, check your premises. You will find that one of them is wrong.

The men who attempt to survive, not by means of reason, but by means of force, are attempting to survive by the method of animals.

The moral absolute should be: if and when, in any dispute, one side initiates the use of physical force, that side is wrong - and no consideration or discussion of the issues is necessary or appropriate.