逆水行舟,不进则退。
《增广贤文》
人生如逆旅,我亦是行人 。
苏轼
凡心所向,素履所往,生如逆旅,一苇以航。
七堇年
The total energy of the universe is constant,
The total entropy is continually increasing.
Rudolf Clausius
Entropy is time’s arrow.
Arthur Eddington
Only entropy comes easy.
Anton Chekhov