Riyad as-Salihin: The Book of Virtues – Hadith No. 380 — Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah… (Hadith No. 380)

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said, "Shall I not tell you something by which Allah effaces the sins and elevates the ranks (in Jannah)." The Companions said: "Yes (please tell us), O Messenger of Allah." He said, "Performing the Wudu' properly in spite of difficult circumstances, walking with more paces to the mosque, and waiting for the next Salat (prayer) after a observing Salat; and that is Ar-Ribat, and that is Ar-Ribat.".

Explanation:

Reference: Riyad as-Salihin, The Book of Virtues, Hadith No. 380