Many a poor sore-eyed student that I have heard of would grow faster, both intellectually and physically, if, instead of sitting up so very late, he honestly slumbered a fool’s allowance.
我听说过的许多眼睛熬得疼痛的可怜学生,若不再熬夜,而是老老实实地睡足那份被讥为愚人的觉,身心都会成长得更快。
— Henry David Thoreau · Walking —