Human dignity is better served by embracing knowledge.

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.

At the heart of science lies discovery which involves a change in worldview. Discovery in science is possible only in societies which accord their citizens the freedom to pursue the truth where it may lead and which therefore have respect for different paths to that truth.

If we treasure our own experience and regard it as real, we must also treasure other people's experience.

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

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.