To write at all is to hope.

I want to be free, and art gives me that freedom.

你所要做的就是写一个真实的句子。写出你所知道的最真实的句子。

We have a responsibility to ensure that our operations leave a positive legacy for future generations.

If I get married, I want to be very married.

Agricultural research should address national needs and solve practical problems, it cannot be separated from production practice.

我不是来被喜欢的，我是来被尊重的。

无限小的事物在自然中的作用是无限大的。

在科学中，我们试图解释我们不理解的事物。在数学中，我们试图理解我们无法解释的事物。