Riyad as-Salihin
Riyad as-Salihin 860
The Excellence of Greeting the Acquaintance Repeatedly
Arabic hadith text
وعنه عن رسول الله صلى الله عليه وسلم، قال: "إذا لقي أحدكم أخاه، فليسلم عليه، فإن حالت بينهما شجرة، أو جدار، أو حجر، ثم لقيه، فليسلم عليه" ((رواه أبو داود)).
Translation
Abu Hurairah (May Allah be pleased with him) reported
The Messenger of Allah (ﷺ) said, "When one of you meets a brother (in Faith) he should greet him. Then if a tree or a wall or a stone intervenes between them and then he meets him again, he should greet him."[Abu Dawud].