过去是你记得的、你想象你记得的、你确信你记得的、或者你假装记得的。
In mathematics, the art of proposing a question must be held of higher value than solving it.
Trust me: There is no “them”.
Investing in clean energy technologies is not just good for the environment; it's good for business.
历史上的每位暴君都相信自由——他自己的自由。