记忆是一件奇怪的事情。它的运作方式并不像我想象的那样。我们习惯于把它想象成相机或录音机，但它根本不是那样的。它更像是一个画家。它创造了一幅画，但这幅画并不总是相同的。

数学是理性的音乐。

"You don't get to choose if you get hurt in this world, but you do have some say in who hurts you."

You know what it’s like to wake up in the middle of the night with a vivid dream? And you know that if you don’t have a pencil and pad by the bed, it will be completely gone by the next morning. Sometimes it’s important to wake up and stop dreaming. When a really great dream shows up, grab it.