Not let the reality give you a slap in the face, just know social hypocrisy; non let friends to hurt you, what are not, just know people are terrible.

非让现实给你一巴掌，才知道社会有多虚伪；非让朋友把你伤的什么都不是，才知道人心可畏。

youdao

Though he points out the hypocrisy and contradictions inherent in many social-reform projects of which the Society for the Suppression of Vice was perhaps the most revolting he does not idealise the world that they were trying to improve: a world which employed 12-year-old prostitutes and enjoyed the licensed cruelty of bare-knuckle boxing.

ECONOMIST: English history