There is a crack in everything, that's how the light gets in.
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.
数学的语言是普遍的,超越了文化和语言的障碍。
"The task of the writer is to make the invisible visible."