Two men went out on a journey, and when the time for prayer came, having no water with them, they performed ablution with good earth and then prayed. Immediately afterwards they found water, and one of them repeated the prayer with ablution, but the other did not. When they came to God’s messenger sometime afterwards they mentioned that, and he said to the one who did not repeat the prayer, "You have observed the sunna and your prayer was enough for you." To the one who had performed ablution and repeated the prayer he said, "You will have a twofold reward.” Abu Dawud and Darimi transmitted it, and Nasa’i transmitted something similar. He and Abu Dawud also transmitted it from ‘Ata’ b. Yasar in mursal form.
Reported by Abu Dawud (No. 338) and Ad-Darimi (No. 737). Cited in Mishkat al-Masabih (No. 533).
Abu Sa‘īd al-Khudri (may Allah be pleased with him) reported: Two men set out on a journey, and prayer became due while they had no water. They performed dry ablution, using clean earth, and prayed. Later on, they found water while still within the time of the prayer. One of them repeated his…