Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.

水产养殖的可持续发展，需要政府、企业和科研机构的共同努力。

Good habits shape an excellent life.

有时最艰难的战斗是我们内心的战斗。