The key to successful investing is to have a long-term perspective and a disciplined approach.

I write to find hope.

举一个例子尚且不明白，就不要追求见多识广。 

"Poetry is the music of the soul, and, above all, of great and feeling souls."

The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.

The only real failure in life is not to be true to the best one knows.