If you surrendered to the air, you could ride it.

粮食问题不仅是经济问题，更是政治问题，关系到国家的长治久安。

I always try to be positive, even in difficult moments.

The world is full of people who have never, since childhood, met an open doorway with an open heart.

生存下来的不是最强壮的物种，也不是最聪明的物种，而是对变化反应最迅速的物种。