Silsilah as-Sahihah 2992 — Kalima Tawheed Grants Salvation

It is narrated from Sayyiduna Abu Hurairah, may Allah be pleased with him, that the Noble Prophet, peace and blessings be upon him, said: "Whoever says «لَا إِلَـٰهَ إِلَّا اللَّـهُ», then one day this statement will save him from calamities and misfortunes; whatever has happened before, has happened."