The historian of science may be tempted to exclaim that when paradigms change, the world itself changes with them.

The answers you get depend upon the questions you ask.

All significant breakthroughs are break -“withs” old ways of thinking.

What a man sees depends both upon what he looks at and also upon what his previous visual-conceptual experience has taught him to see.

We see the world in terms of our theories.

Far from being magisterial in its objectivity, science was conditioned by history, society, and the prejudices of scientists.

Philosophers of science have repeatedly demonstrated that more than one theoretical construction can always be placed upon a given collection of data.

In science novelty emerges only with difficulty, manifested by resistance, against a background provided by expectation.

Probably, the single most prevalent claim advanced by the proponents of a new paradigm is that they can solve the problems that led the old one to a crisis.

Normal science does not aim at novelties of fact or theory and, when successful, finds none.

Almost always the men who achieve these fundamental inventions of a new paradigm have been either very young or very new to the field whose paradigm they change.

Why can't I write something that would awake the dead? That pursuit is what burns most deeply.

Nothing in nature is by chance... Something appears to be chance only because of our lack of knowledge.

Enlightenment is x-rated, honey; if you haven't checked it out. It's hot, it's vivacious. You're going to take your mind and merge it with the entire cosmos.

John von Neumann was the only student I was ever afraid of.

Morning is when I am awake and there is a dawn in me.

In a matriarchy men should be encouraged to take it easy, for most women prefer live husbands to blocks of shares and seats on the board.

For the heavenly fire no longer strikes depraved cities, it is rather the lens which cuts through ordinary reality like a laser, putting it to death.

The person who doesn't know how to subjugate will all too quickly feel the other's foot on the nape of his neck.

Who leaves the pine-tree, leaves his friend, Unnerves his strength, invites his end.

I certainly admire people who do things.