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

There is no better teacher than history in determining the future……There are answers worth billions of dollars in a history book.

The speech we hear is an indication of that which we don't hear.

I'm not a rapper, I'm a hustler who raps.

科学家的遗产不在于发表的论文，而在于激发的心灵。

对模糊性的不容忍是专制人格的标志。

In mathematics, the journey is often more important than the destination.