عَنْ أُبَيِّ بْنِ كَعْبٍ
قَالَ: إِنَّمَا كَانَ الْمَاءُ مِنَ الْمَاءِ رُخْصَةً فِي أَوَّلِ الْإِسْلَامِ ثمَّ نهي عَنْهَا
“Water is necessary only when there is an emission” was a licence granted in the early days of Islam, but that afterwards it was renounced.
Mishkat al-Masabih 416, Book 4, Purification, Hadith 152. 1 min read