The most important thing to teach your children is that the sun does not rise and set. It is the Earth that revolves around the sun. Then teach them the concepts of North, South, East and West, and that they relate to where they happen to be on the planet's surface at that time. Everything else will follow.

I look for what needs to be done. After all, that's how the universe designs itself.

Most of my advances were by mistake. You uncover what is when you get rid of what isn't.

Above all, I am motivated by the most mysterious drive we ever experience -that of love - I don't think there's any influence on my life that compares with love.

The nearest each of us can come to God is by loving the truth.

History's political and economic power structures have always abhorred 'idle people' as potential troublemakers. Yet nature never abhors seemingly idle trees, grass, snails, coral reefs, and clouds in the sky.

We are called to be architects of the future, not its victims.