It's OK to have your eggs in one basket as long as you control what happens to that basket.

I hate writing about personal stuff. I don't have a Facebook page. I don't use my Twitter account. I am familiar with both, but I don't use them.

I think it matters whether someone has a good heart.

Physics is a good framework for thinking. ... Boil things down to their fundamental truths and reason up from there.

For me it was never about money, but solving problems for the future of humanity.

In almost any industry, if you're passionate about doing a great job and making people that buy your product or service as happy as possible, it's really fulfilling.

Persistence is very important. You should not give up unless you are forced to give up.