The Moving Finger writes; and, having writ, Moves on: nor all thy Piety nor Wit Shall lure it back to cancel half a Line, Nor all thy Tears wash out a Word of it.

道德情操论是政治经济学理论的基础。

What we learn from history is that people don't learn from history.

"You have to let go of who you were to become who you will be."

我知道我是聪明的，因为我自知无知。