To understand the universe, you must understand the language in which it is written, and that language is mathematics.
要理解宇宙，你必須理解它所用的語(yǔ)言，那就是數(shù)學(xué)。
僅僅做到我們的最好是不夠的,有時(shí)候我們得達(dá)到要求。
好的政策需要健全的理論和實(shí)證驗(yàn)證。
Farmers are the original environmentalists—they understand the land better than anyone.