任何圆的面积等于一个直角三角形，其中一条直角边等于半径，另一条等于圆的周长。

"In the midst of winter, I found there was, within me, an invincible summer."

学习一种新编程语言的唯一方法是用它编写程序。

To love means to open ourselves to the negative as well as the positive - to grief, sorrow, and disappointment as well as to joy, fulfillment, and an intensity of consciousness we did not know was possible before.

有时候你必须被打倒得比以往任何时候都低，才能站得比以往任何时候都高。

农业的真正进步来自于技术与传统的平衡。

领导力在于激励他人实现超越自我想象的成就。

系外行星研究的未来在于开发更灵敏的仪器和全球科学家的合作。