The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.
交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。
人应当遵循自然的节奏生活。
人生苦短，及时行乐。
"The truth is rarely pure and never simple."
"Poetry is the language of the soul, and the soul speaks in images."
The writer must be a perpetual outsider, a critic of all orthodoxies.