We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.
There are many Beths in the world, shy and quiet, sitting in corners till needed, and living for others so cheerfully that no one sees the sacrifices till the little cricket on the hearth stops chirping, and the sweet, sunshiny presence vanishes, leaving silence and shadow behind.
历史不是发生了什么，而是我们记住了什么以及如何记住它。