77 Quotes by Sean Carroll

At best it was a negligent act in the circumstances.

As you go into deep time, these bursts of evolutionary origins become harder to resolve.

I told him, 'Don't die, don't die, keep breathing,'

It turns out that early in the origin of many types of animals, there were a lot of branching events in a short period of time.

In general, we'd like to know who's related to whom, and the pattern of the branches of the tree of life.

I'm saying, 'Police, show me your hands, show me your hands,'

Before I fired my weapon, Eddie McMellon, who (was) slightly closer than I was, started backing out and saying, 'What are you doing? What are you doing?' I just thought he pulled and drew a weapon on my partner -- I fired my weapon,

But instead of a tree, we got a bush where many branches sprout close together.

The mechanisms that make the small differences between species are the same ones that make the big differences between kingdoms,