I like 'The Simpsons' quite a lot. I love the irreverent character of the whole show. It's great.

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?

When troubles come may prayer be your automatic response.

The trouble is. . .that everybody sneers at restrictions and demands freedom, till something annoying happens; then they demand angrily what has become of the discipline.

I'm passionate about being true to myself, sending good energy to the people around me, traveling, staying inspired, being a good friend, being a good daughter, being a good sister.

We will ultimately be judged by how we react in times of trouble and how we care for the least among us.

Food in Dublin has gotten immeasurably better than it was. When I was a kid, there weren't a lot of options. Now you're overwhelmed with options.

My heart and my trust were in the process of collapsing. And that collapse created a vacuum in my chest.

They [terrorists] have declared war on us and we need to have a serious strategy to destroy ISIS.

I still believe a majority of Republicans are for income tax cuts.

Make a commitment to having fun. See your best friends and make time for your hobbies and passions.

People are dream killers--you've got to be careful who you give emotional access to.