A scientist is just a kid who never grew up.

You don't want to raise a kid in a culture where the kid who asks the most questions is annoying. You want a culture where the kid who asks the most questions gets awards and gets another piece of cake.

Scientists are human. We have our blind spots and prejudices. Science is a mechanism designed to ferret them out. Problem is we aren't always faithful to the core values of science.

Dark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what the cause is.

Who you are, where you've been and what you've done is all up here, captured and preserved in your memories. If you lost that - the story of your own origins - you'd lose your identity, your sense of self.

You can make a stack high enough to reach the moon and back, and only then will you have used your 100 billion hamburgers. This is terrifying news to cows.

What are you doing? Why are you concerning yourself with the meaning of meaning?