(60) باب مَا جَاءَ فِي الاِقْتِصَادِ فِي الْحُبِّ وَالْبُغْضِ
Muhammad bin Sirin narrated from Abu Hurairah - and I think he (narrated it from the Prophet) who said:
"Love your beloved moderately, perhaps he becomes hated to you someday. And hate whom you hate moderately, perhaps he becomes your beloved someday." (FR)
Reference (FR): Jami` at-Tirmidhi 1997 (FR)
In-book reference (FR): Book 27, Hadith 103 (FR)
English translation (FR): Vol. 4, Book 1, Hadith 1997 (FR)