But the old man thought only of his steering and his great tiredness. He had gone out too far and the sharks had beaten him. He knew they would leave him nothing but the stripped skeleton of his great catch.

Time is your friend; impulse is your enemy.

可持续性不仅是一种趋势，更是未来农业的基础。

The best stories are not found in books, but in the eyes of those who have lived them.

最好的发现是那些提出的问题比它们回答的还要多的发现。