For science must breathe the oxygen of freedom.

I knew, however, that it would cost ten times what I had available in order to build a molecular beam machine. I decided to follow a byway, rather than the highway. It is a procedure I have subsequently recommended to beginning scientists in this country, where research strategy is best modelled on that used by Wolfe at the Plains of Abraham.

Science exists, moreover, only as a journey toward troth. Stifle dissent and you end that journey.

Human dignity is better served by embracing knowledge.

If we treasure our own experience and regard it as real, we must also treasure other people's experience.

It is folly to use as one's guide in the selection of fundamental science the criterion of utility. Not because (scientists)... despise utility. But because. .. useful outcomes are best identified after the making of discoveries, rather than before.

In education the appetite does indeed grow with eating. I have never known anyone to abandon study because they knew too much.