Buddhism emphasizes extinguishing the fires of desire.
Tips
culture
欲火 originates in Buddhist vocabulary, where worldly cravings (especially sexual) are likened to fire that burns the soul. 欲火焚身 ("desire-fire scorches the body") is a common four-character phrase.
register
Literary and a bit dramatic. Modern speech uses 性欲 ("sex drive") for the clinical sense; 欲火 stays in novels, poetry, and religious writing.
