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

Scientia is knowledge. It is only in the popular mind that it is equated with facts.

Authority in science exists to be questioned, since heresy is the spring from which new ideas flow.

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.

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

Young people ask me if this country is serious about science. They aren't thinking about the passport that they will hold, but the country that they must rely on for support and encouragement.

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.