Maxwell's Equations have had a greater impact on human history than any ten presidents.

That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental drift when it was proposed by Wegener. Nevertheless, we see that Wegener was right, and those who objected on the grounds of unavailable mechanism were wrong.

Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.

I would suggest that science is, at least in my part, informed worship.

Philosophers and scientists confidently offer up traits said to be uniquely human, and the monkeys and apes casually knock them down -- toppling the pretension that humans constitute some sort of biological aristocracy among the beings on Earth.

For all our failings, despite our limitations and fallibilities, we humans are capable of greatness.

Even through your hardest days, remember we are all made of stardust.