The hardest thing to explain is the glaringly evident which everybody had decided not to see.

The concept of inflation suggests that the universe underwent a period of extremely rapid expansion shortly after the Big Bang.

Some books are to be tasted， others to be swallowed， and some few to be chewed and digested.

要真正理解宇宙，我们必须首先理解构成它的最小粒子。

不管怎样，还是要帮助。

Technology should serve people, not control them.

成功是一种心态。如果你想成功，就要开始把自己看作一个成功者。