If a scientist were to cut his ear off, no one would take it as evidence of a heightened sensibility.

I cannot give any scientist of any age better advice than this: the intensity of the conviction that a hypothesis is true has no bearing on whether it is true or not.

The evidence I have seen is absolutely clear-cut. If it wasn't clear-cut before, it's absolutely categorical now.

If a scientist were to cut his ear off, no one would take it as evidence of a heightened sensibility.

If politics is the art of the possible, research is surely the art of the soluble. Both are immensely practical-minded affairs.

Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in.