Silsilah as-Sahihah 3342 — Virtue of Companions, Followers

It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him), he says that the Messenger of Allah (peace and blessings of Allah be upon him) said: "Glad tidings once for the one who saw me and believed in me, and glad tidings seven times for the one who believes in me without seeing me."