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 is an enterprise that can only flourish if it puts the truth ahead of nationality, ethnicity, class and color.

Idealism is the highest form of reason.

When, as we must often do, we fear science, we really fear ourselves. Human dignity is better served by embracing knowledge.

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

In nation after nation, democracy has taken the place of autocracy.

For science must breathe the oxygen of freedom.