“I love to think. I once considered taking drugs as an attempt to better understand an altered state of mind; however, I decided not to. I didn’t want to chance ruining the machine.”

The things that mattered were honesty, independence, willingness to admit ignorance.

Of course, you only live one life, and you make all your mistakes, and learn what not to do, and that’s the end of you.

I always do that, get into something and see how far I can go.

There are thousands of years in the past, and there is an unknown amount of time in the future. There are all kinds of opportunities, and there are all kinds of dangers.

What I cannot create, I do not understand.

Science is what we have learned about how to keep from fooling ourselves.

Science is the organized skepticism in the reliability of expert opinion.

For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.

Nobody ever figures out what life is all about, and it doesn’t matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough.

The first principle is that you must not fool yourself and you are the easiest person to fool.

I think we should teach them [the people] wonders and that the purpose of knowledge is to appreciate wonders even more.

I have no responsibility to live up to what others expect of me. That’s their mistake, not my failing.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

I learned from my father to translate: everything I read I try to figure out what it really means, what it’s really saying.

You can’t say A is made of B or vice versa. All mass is interaction.

The highest forms of understanding we can achieve are laughter and human compassion.

It’s up to all of us to decide the future we want to live in.

It’s up to all of us to decide the future we want to live in.

I knew you’d decide to be all right again.

Making a decision to write was a lot like deciding to jump into a frozen lake.

We get to decide what the future of this country looks like. We get to choose hope.

The angels decided to shine on me for a little while.

I think that somehow, we learn who we really are and then live with that decision.

We all can be masters at our craft, but you have to make sacrifices that come along with making that decision.