“It is better to leave when When someone takes advantage of your straightforwardness. You should not go where your innocence is made fun of. It is better not to go there, where you are humiliated again and again, the person with whom all this happens, breaks up.”
Related quotes

Source: The moon and the bonfire (1950), Chapter XXVI, p. 148

“Sometimes when someone tells you not to go somewhere, it’s better not to go there.”
Source: Rivers of London (2011; American edition title: Midnight Riot), Chapter 9, “The Judas Goat” (p. 189)

Substance, Shadow, and Spirit, "Spirit expounds"
Translated by Arthur Waley