All colours are arbitrary.

An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence.

If we teach only the findings and products of science - no matter how useful and even inspiring they may be - without communicating its critical method, how can the average person possibly distinguish science from pseudoscience?

[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science.

I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students.

When permitted to listen to alternative opinions and engage in substantive debate, people have been known to change their minds. It can happen.

we make our world significant by the courage of our questions and the depth of our answers