A new sense of shared international responsibility is unmistakable in the voices of the United Nations and its agencies, and in the civil society of thousands of supra-national NGOs.

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 applause is a celebration not only of the actors but also of the audience. It constitutes a shared moment of delight.

It takes a trained and discerning researcher to keep the goal in sight, and to detect evidence of the creeping progress toward it.

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