Over the centuries, monumental upheavals in science have emerged time and again from following the leads set out by mathematics.

Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer.

Science is the process that takes us from confusion to understanding.

When kids look up to great scientists the way they do to great musicians and actors, civilization will jump to the next level

Exploring the unknown requires tolerating uncertainty.

We're on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider the deepest questions.

Intelligence is the ability to take in information from the world and to find patterns in that information that allow you to organize your perceptions and understand the external world.

I was holding [my four-year-old daughter] and I said, 'Sophia, I love you more than anything in the universe.' And she turned to me and said, 'Daddy, universe or multiverse?'

Free will is the sensation of making a choice. The sensation is real, but the choice seems illusory. Laws of physics determine the future.

All you are is a bag of particles acting out the laws of physics. That to me is pretty clear.

Physics grapples with the largest questions the universe presents. Where did the totality of reality come from? Did time have a beginning?

Everyday is a bank account, and time is our currency. No one is rich, no one is poor, we've got 24 hours each.

But she knew that no matter what beauty lay behind, it must remain there. No one could go forward with a load of aching memories.

Everyone calls him BlockheadNo one sings his praisesOr takes him to heart...That is the kind of personI want to be

We need to be patient to wait for the beautiful beginning of a new day

Most humans know better than to cross a wizard. A cat does not care.

I wanted to be a forensic scientist when I was younger. For a long time, I was studying because I wanted to do that sort of stuff.

Your goals are constantly revised according to circumstance, but your purpose, your real reason for being, that supercedes everything.

We know that people who work without breaks get tired, introduce errors, get sick and miss out on life. Make no mistake: those staff room hammocks are designed to keep you in them on the weekend.

You know, I've always been really interested in this stuff, and I'm going to read this.

By a commodity we shall understand any object, substance, action or service, which can afford pleasure or ward off pain.