The only valid data for psychology are observable behaviors.

Silence is the perfectest herald of joy.

I'm not a feminist, I'm a humanist.

A non-moral use of a term does not necessarily tell us what the term means.

及时采撷你的花蕾，旧时光一去不回，今天尚在微笑的花朵，明日便在风中枯萎。