I have a dream that one day this nation will rise up and live out the true meaning of its creed.

如果你想理解大脑，你不应该只看单个神经元。你应该观察成千上万个神经元之间的相互作用。

完美数如同完美的人一样稀少。

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

The highest purpose is to have no purpose at all. This puts one in accord with nature in her manner of operation.

Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor.