面对挑战时不要害怕失败，每一次失败都是通往成功的阶梯。

Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.

我相信视觉化的力量。

The past is always tense, the future perfect.

如果你不固执，就会过早放弃试验。如果你不灵活，就会头撞南墙，而无法另辟蹊径解决当下难题。