The true value of a tree isn't in its board feet, but in its roots and reach.

"Every child deserves a bookshelf full of stories that reflect their own experiences and open windows to new worlds."

你必须是自己幸福的最好判断者。

我喜欢竞争。我喜欢比赛。我喜欢挑战世界上最优秀的球员。

物理学的美丽在于它能够用简单的原理解释复杂的事物。