That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

生活是一系列的时刻，有些转瞬即逝，有些永恒。

The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.

真正的艺术存在于作品与观者的相遇之中。

人类的状况是永恒的苦难。