Parental investment is the key to understanding sex differences in mating strategies.

如果没有了解植物生长规律的农民，最先进的温室也毫无价值。

I'm not afraid to take risks. I'm not afraid to fail.

The brain is a kind of computer, but it's a very different kind of computer from the ones we're used to.

I believe that every performance should be unique and special.