A man praised another man in front of the Prophet (ﷺ) . The Prophet (ﷺ) said to him, "Woe to you, you havecut off your companion's neck, you have cut off your companion's neck," repeating it several timesand then added, "Whoever amongst you has to praise his brother should say, 'I think that he is so andso, and Allah knows exactly the truth, and I do not confirm anybody's good conduct before Allah, butI think him so and so,' if he really knows what he says about him."