Pop culture is the scaffold we all carry around with us.

No one is dumb who is curious. The people who don't ask questions remain clueless throughout their lives.

I am proud to be part of a species where a subset of its members willingly put their lives at risk to push the boundaries of our existence.

There is no science in this world like physics. Nothing comes close to the precision with which physics enables you to understand the world around you. It's the laws of physics that allow us to say exactly what time the sun is going to rise. What time the eclipse is going to begin. What time the eclipse is going to end.

Before we start talking about genetic differences, you gotta come up with a system where there's equal opportunity.

Passion is what gets you through the hardest times that might otherwise make strong men weak, or make you give up.

The chances that your tombstone will read 'Killed by Asteroid' are about the same as they'd be for 'Killed in Airplane Crash.'