Entanglement is not just a curious feature of quantum mechanics - it is the essential feature.

You are never too old to set another goal or to dream a new dream.

人穷了住在闹市也没人愿意理睬，人富了住得再偏远也会有人去登门。

我们不是在从事为人们提供咖啡的业务，我们是在从事为咖啡服务的人的业务。