I would expunge the word "aptitude" from our vocabulary, because if you're interested in something, that's all that matters. You'll spend more time doing it, that than anything else, and possibly more time doing it than anybody else. And that's all that matters, because in the end, if you love what you do, you'll be your best at it compared to anything else you might have chosen as a career.

Just to settle it once and for all: Which came first, the chicken or the egg? The egg, laid by a bird that was not a chicken.

Knowing how to think empowers you far beyond those who know only what to think.

If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.

Math is the language of the universe. So the more equations you know, the more you can converse with the cosmos.

All information is good, even when it is bad.

If you are that person, you are more likely to believe that God cured you, this invisible force, creator of the universe, cured you, than that you had three idiotic doctors diagnose you. ... I taught physics to pre-med students who became doctors. Not all of them are smart, I assure you.