我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。
习惯的强度是其被强化次数的函数。
Technology ultimately serves people, not the other way around.
The problem is when that fun stuff becomes the habit. And I think that's what's happened in our culture. Fast food has become the everyday meal.
当你解决一个数学问题时，你不仅得到了答案，还理解了为什么这是答案。
我不相信上帝，但我相信音乐。
If you can imagine it, and believe it, you can achieve it.