AHMAD 21242:
from al-Ṭufayl b. Ubay b. Kaʿb from his father —
A man said, "O Messenger of Allah, what do you suggest if I were to dedicate all of my ṣalāt (duʿāʾ) for you?" He said, "˹If you do this˺ Allah will make it sufficient for what concerns you in this world or your Hereafter."
أحمد ٢١٢٤٢:
عن الطفيل بن ابي بن كعب عن أبيه —
قَالَ رَجُلٌ يَا رَسُولَ اللهِ أَرَأَيْتَ إِنْ جَعَلْتُ صَلَاتِي كُلَّهَا عَلَيْكَ؟ قَالَ إِذَنْ يَكْفِيَكَ اللهُ مَا أَهَمَّكَ مِنْ دُنْيَاكَ وَآخِرَتِكَ