自然界中有未知的力量；当我们完全无保留地把自己交给她时，她就会把这些力量借给我们；她向我们展示这些形式，我们的眼睛看不到，我们的智力不理解或怀疑。
No president who performs his duties faithfully and conscientiously can have any leisure.
The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.
我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。
To understand the quantum world, we must first unlearn our classical intuitions.
你连自己都管不好，怎么能治理国家的正事呢？