永远不要停止学习；当你认为自己无所不知的那天，就是你开始落后的那天。

我不会让消极情绪偷走我的快乐。

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

自由民主可能构成“人类意识形态演化的终点”和“人类政府的最终形式”，因此构成了“历史的终结”。

The best way to predict the future is to create it.