卖出股票的最佳时机几乎永远不会到来。
The best time to sell a stock is almost never.
In mathematics, the simplest questions often lead to the deepest insights.
Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."
The decline of violence may be the most significant and least-appreciated development in the history of our species.
农业成功的真正标准不仅是产量，还有生产它的生态系统的健康。
Leadership is about inspiring others to see possibilities where they once saw obstacles.
The line between art and life should be blurred.
