我認為你不應該為你的熱情道歉。
I don't think you should ever have to apologize for your excitement.
盡管你認為世界在你腳下，但它也可能會顛覆你，踐踏你。
自然實驗可以為經(jīng)濟問題提供有價值的見解。
我們利用現(xiàn)有的東西，因為它們有價值
A healthy forest means a healthy economy; the two are inseparable.
The solution of a problem appears suddenly and is not approached by a gradual, step-by-step procedure.
Science is an adventure into the unknown, each discovery a new understanding of nature.
Reason is the sovereign of all.