Majma al-Zawaid — Hadith 193

Sayyiduna Umayr bin Qatadah (may Allah be pleased with him) states: A man asked: "O Messenger of Allah! Which prayer is most excellent?" The Prophet (peace and blessings be upon him) said: "The one with long standing." He asked: "Which charity is most excellent?" The Prophet (peace and blessings be upon him) said: "(The charity given) through the effort of one with little means." The man asked: "Among the believers, whose faith is most complete?" The Prophet (peace and blessings be upon him) said: "The one whose character is best."
Al-Tabarani recorded it in al-Mu'jam al-Awsat. Its chain contains a narrator, Suwayd Abu Hatim, about whom there is disagreement as to whether he is thiqah (trustworthy) or da'if (weak). Further hadiths through him will come later.