Though we explore in a culturally-conditioned way, the reality we sketch is universal.

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

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.

Some dreamers demand that scientists only discover things that can be used for good.

Science never gives up searching for truth, since it never claims to have achieved it.

For science must breathe the oxygen of freedom.

Human dignity is better served by embracing knowledge.