出自《抱朴子·博喻》。登高的人，要警惕的是爬高了会摔下来，渡深水的人，往往是因为船太重才出了祸。要适可而止，不要过于贪婪。

【大意】说话一定要讲信用，约定了就一定要做到，这是天下的高尚行为。

Grain farming is both an art and a science—requiring intuition as much as data.

The universe is a symphony of energy and matter, playing out in the grandest scale.

Great things take time.

你越努力，就越幸运。