永遠(yuǎn)不要低估小而持續(xù)的改進(jìn)的力量。
夏天的飛鳥(niǎo),飛到我窗前唱歌,又飛去了。 秋天的黃葉,他們沒(méi)有什麼可唱的,只是嘆息一聲,飛落在那里。
The root of all superstition is that men observe when things hit, and not when they miss, and commit to memory the one, and pass over the other.