宇宙是一个相当大的地方。如果只有我们，那似乎是对空间的极大浪费。

一个试图教学而不激发学生学习欲望的教师，就像在冷铁上敲打。

A physical symbol system has the necessary and sufficient means for general intelligent action.

Dairy isn’t just a product; it’s a part of people’s lives.

You have to be willing to fail, to be wrong, to keep trying.

创新的关键在于培养持续改进的文化。