无论什么年龄，人心只会向同样敞开的心敞开。

But the eyes are blind. One must look with the heart.

The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.

活着就是受苦，生存就是在苦难中找到一些意义。

Collaboration is the key to solving the big challenges in food production today.