Failure is not a bad thing. It's part of the process of learning and improving.

The most important thing in communication is hearing what isn't said.

我不完美 - 我也不假装完美

清白是自己的辩护。

In science, the most dangerous phrase is 'We've always done it this way.'

Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.