规模和价值效应是持续存在的异常现象，对有效市场假说提出了挑战。

Speech is a kind of action， and our words are the tools we use to perform it.

I found strength in my vulnerability.

The key to progress in science is persistence and an open mind.

The thing that is important is the thing that not seen… It is just as it is with the flower。 If you love a flower that lives on a star， it is sweet to look at the sky at night。 All the stars are abloom with flowers…