If we spend all our time gazing at the wonders ahead without remembering where we're standing right now, we're going to trip and fall flat on our face, over and over again.

No, that’s journalism. The truth is whatever you can’t escape.

I don't have any structured grand plan; I just intend to keep writing about the things that interest me-some of which change, some of which don't.

Mathematics catalogues everything that is not self-contradictory; within that vast inventory, physics is an island of structures rich enough to contain their own beholders.

For there is a truth which cannot be bought or sold, imposed by force, resisted or escaped.

On his eighteenth day in the tiger cage, Robert Stoney began to lose hope of emerging unscathed.

I was six years old when my parents told me that there was a small, dark jewel inside my skull, learning to be me.