‘Umayr ibn Qatadah reported: A man said, “O Messenger of Allah, which prayer is best?” The Messenger of Allah, peace and blessings be upon him, said, “One finished with a long supplication.” The man said, “Which charity is best?” The Prophet said, “Great effort with little means.” The man said, “Which believers are most complete?” The Prophet said, “Those with the best character.”
Source: al-Mu’jam al-Kabīr lil-Ṭabarānī 17/48
Grade: Sahih li ghayrihi (authentic due to external evidence) according to Al-Albani
عَنْ عُمَيْرِ بْنِ قَتَادَةَ أَنَّ رَجُلا قَالَ يَا رَسُولَ اللَّهِ أَيُّ الصَّلاةِ أَفْضَلُ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ طُولُ الْقُنُوتِ قَالَ أَيُّ الصَّدَقَةِ أَفْضَلُ قَالَ جُهْدُ الْمُقِلِّ قَالَ أَيُّ الْمُؤْمِنِينَ أَكْمَلُ قَالَ أَحْسَنُهُمْ خُلُقًا
17/48 المعجم الكبير للطبراني
2656 المحدث الألباني خلاصة حكم المحدث صحيح لغيره في صحيح الترغيب