心是脆弱的东西，容易破碎但难以修复。

The study of mathematics is like air or water to the development of science.

The Tesla Roadster… it’s a two-seater sports car， very high performance…In fact， it’s beat any Ferrari or Aston Martin in acceleration.And it has more than twice the energy efficiency of a Prius.

夜晚是真相的时刻，当面具落下，灵魂赤裸裸地展现。