Our legacy will be defined by how we treat the forests today.
未说出口的往往比说出的更有力量。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
打开纠缠在一起的绳结的最好方法，不是要去「解开」绳结，而是要不断地把松动的部分拉得更宽。尽可能把那团乱麻弄大、弄松、弄开。当你打开绳结的时候，它们就会自行解开。这招适用于绳索、线、软管、毛线或者电线。
The best way to untangle a knotty tangle is not to “untie” the knots， but to keep pulling the loops apart wider and wider. Just make the mess as big， loose and open as possible. As you open up the knots they will unravel themselves. Works on cords， strings， hoses， yarns， or electronic cables.
The power of a man, to take it universally, is his present means, to obtain some future apparent good.
物理学的美丽在于它能够用简单解释复杂。