to help survive and reproduce and spread my genes."

帮助我生存繁衍和传播基因
A cockroach doesn't know anything about genes.

一只蟑螂根本不知道什么是基因
Rather, the mechanisms that make it do

所以驱使它去这么做
what it does are different

的机制与其自身心理状态
from its own mental states, if it has any--why it does them.

不同如果它有的话为什么这么做
This is a point nicely made by William James.

威廉姆·詹姆斯有一个很棒的观点
So, William James is asked,

有人问威廉姆·詹姆斯
"Why do we eat?" and he writes,

我们为什么吃东西他写道
Not one man in a billion when taking his dinner

十亿个人中也不会有一个人
ever thinks of utility.

吃饭时会考虑其目的
He eats because the food tastes good and makes him want more.

他吃饭因为食物味道好并且使他想多吃些
If you asked him why you should want to eat more

如果你问他为什么他要多吃