Science is a collection of stories, linking characters worthy of notice.

Even in the world of molecules the civilising influence of modest restraints is a cause for rejoicing.

[Intellectual courage is] the quality that allows one to believe in one's judgement in the face of disappointment and widespread skepticism. Intellectual courage is even rarer than physical courage.

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

A new sense of shared international responsibility is unmistakable in the voices of the United Nations and its agencies, and in the civil society of thousands of supra-national NGOs.

Some dreamers demand that scientists only discover things that can be used for good.

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.