The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.

When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it.

We can always take but never give.

The simplest thought, like the concept of the number one, has an elaborate logical underpinning.

The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.

While our behavior is still significantly controlled by our genetic inheritance, we have, through our brains, a much richer opportunity to blaze new behavioral and cultural pathways on short timescales.

The Universe forces those who live in it to understand it. Those creatures who find everyday experience a muddled jumble of events with no predictability, no regularity, are in grave peril. The Universe belongs to those who, at least to some degree, have figured it out.