The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

The beauty of mathematics is that it is a language that can describe the universe in a way that nothing else can.

The true cost of unsustainable fishing is far greater than what we see on the surface.

译文：年轻时总觉得做人非常容易，长大后才知道创家立业的艰难。赏析：我们不经历社会的磨炼和捶打，是不会明白人世的艰难。当我们把生活的酸甜苦辣咸都尝遍，才会懂得人生的百般滋味。

林业的未来在于技术，但它必须服务于自然，而不是剥削自然。