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

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.

The eye searches for shapes. It searches for a beginning, a middle, and an end.

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.

The respect for human rights, essential if we are to use technology wisely, is not something alien that must be grafted onto science. On the contrary, it is integral to science, as also to scholarship in general.