Knowledge is an unending adventure at the edge of uncertainty.

Science is the acceptance of what works and the rejection of what does not. That needs more courage than we might think.

The world is made up of people who never quite get into the first team and who just miss the prizes at the flower show.

Einstein was a man who could ask immensely simple questions. And what his work showed is that when the answers are simple too, then you can hear God thinking.

All science is the search for unity in hidden likenesses.

Certainty ends inquiry.

Man masters nature not by force, but by understanding

Dissent is the mark of freedom.

There is no absolute knowledge. And those who claim it, whether they are scientists or dogmatists, open the door to tragedy.

No science is immune to the infection of politics and the corruption of power.