下一次绿色革命必须是高产且对环境负责的。

每一颗播下的种子都是对未来的承诺。

The walls do not fall.

数学中最重要的是理解概念，而不仅仅是记忆公式。

History is the memory of a nation.

The interplay between mathematics and physics has led to some of the most profound insights in science.

你必须为梦想而奋斗，你必须为之牺牲和努力。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

一个好的学习算法应该能够从有限的例子中推广到未见过的数据。