I think the key to directing is to be open to change.

水产养殖的未来在于平衡生产力与环境管理。

There are no permanent leaders in the semiconductor industry, only constant learners.

成功的投资需要坚定的信念和决策能力。

Westward the course of empire takes its way.

Small-scale farmers are the backbone of sustainable aquaculture; their knowledge is irreplaceable.

解释：不通过学习而能自己知道的，不去请教他人而能自己通晓的，从古到今没有这样的事。