It is narrated from Sayyiduna Anas (may Allah be pleased with him) that the Prophet (peace and blessings of Allah be upon him) said: "When two people love each other for the sake of Allah, then the better of them is the one who loves his companion more."
Hadith Referenceالادب المفرد / كتاب / 544
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه ابن وهب فى الجامع : 198 و الطيالسي: 2166 و ابن الجعد : 3191 و ابن حبان : 566 - انظر الصحيحة : 450»
Explanation & Benefits
Shaykh Maulana Usman Muneeb
Benefits and Issues: Love for the sake of Allah Ta'ala, in which neither the desires of the self nor worldly interests have any role, is worship. Therefore, the greater the sincerity in one’s love, the more virtuous it will be in accordance with that.
Source: Fadlullah al-Ahad: Urdu Commentary on al-Adab al-Mufrad, Page: 544