Stephen Hawking

Imaginary time is a new dimension, at right angles to ordinary, real time.

There is nothing bigger or older than the universe.

One can't predict the weather more than a few days in advance.

I'd be all for everybody keeping their sidearms if they're in the military and on a military installation. That's something we need to get back to.

Perseverance is a positive, active characteristic.

You probably found 'How to Survive a Robot Uprising' in the humor section. Let's just hope that is where it belongs.