"To define is to limit."

Philosophy ought really to be written only as a form of poetry.

你最不满意的客户是你最大的学习来源。

"A book is a gift you can open again and again."

缺乏一个强大的国家对自由的威胁比存在一个强大的国家更大。

We should not only pursue technological leadership but also the practicality and popularity of technology.

Sustainability in agriculture is not an option—it's a necessity for future generations.