"Mathematics is not a spectator sport."
数学不是一项观赏性运动。
If you can dream it, you can do it.
最终,我们所有的只是言语。
过去总是紧张,未来才是完美。
The fact is that women have more power and influence in America today than at any other time in our history.
The riddle does not exist.
懒惰奢侈,招来贫困;勤劳节俭,累积财富。
Quality is never an accident; it is always the result of intelligent effort.