Rather than being an interpreter, the scientist who embraces a new paradigm is like the man wearing inverting lenses.

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.

Success, they taught me, is built on the foundation of courage, hard-work and individual responsibility. Despite what some would have us believe, success is not built on resentment and fears.

People always say turn the other cheek. If you turn the other cheek, I'm gonna hit you in the other cheek too.

I can't listen to my own voice, I don't like it. You see all your mistakes when you hear your voice. You see all your imperfections.

I give you the chameleon, whose ability to blend itself into the background tells you all you need to know about the roots of ecology and the foundations of a personal identity

I suffer a little bit from Napoleonism, if you will.

My mind is always racing.

It is the poor man who'll ever count his flock.

You can't remain inactive in the face of injustice without, to some extent, being guilty of it.

Every book is good to read which sets the reader in a working mood.

Fearless is falling madly in love again, even though you've been hurt before.