一个好的算法就像一把锋利的刀——它以最小的努力准确地完成它应该做的事情。
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.
It's not about how hard you hit. It's about how hard you can get hit and keep moving forward.