"ALL of science is about trying to describe nature--whether it's biology or the known laws of physics. See, Nature is always out there, she's always doing what she does, and it's our job to try and trick her into revealing her secrets to us. It's a dance, because Nature doesn't always give up her secrets easily. You have to look closely at her; you have to experiment to really find out how she actually behaves!"
"You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing -- that's what counts. I learned very early the difference between knowing the name of something and knowing something."I want to know something.