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

Idealism is the highest form of reason.

Nothing is more irredeemably irrelevant than bad science.

Instead, in the absence of respect for human rights, science and its offspring technology have been used in this century as brutal instruments for oppression.

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

For science must breathe the oxygen of freedom.

Individual scientists like myself - and many more conspicuous - pointed to the dangers of radioactive fallout over Canada if we were to launch nuclear weapons to intercept incoming bombers.