Kitāb al-Zuhd
Hadith 38وعنه عليه السلام قال: من أوثق عرى الايمان أن تحب لله وتبغض لله وتعطى في الله وتمنع في الله
12.Also [narrated] from him (a), that he said, “Among the firmest handles of faith are that you love for Allah, hate for Allah, give for Allah, and withhold for Allah.”