Sahih al-Bukhari, 1496

Narrated Abu Ma`bad:(the slave of Ibn `Abbas) Allah's Messenger (ﷺ) said to Mu`adh when he sent him to Yemen, "You will go to the people of the Scripture. So, when you reach there, invite them to testify that none has the right to be worshipped but Allah, and that Muhammad is His Apostle. And if they obey you in that, tell them that Allah has enjoined on them five prayers in each day and night. And if they obey you in that tell them that Allah has made it obligatory on them to pay the Zakat which will be taken from the rich among them and given to the poor among them. If they obey you in that, then avoid taking the best of their possessions, and be afraid of the curse of an oppressed person because there is no screen between his invocation and Allah

Rapporté par Abu Ma`bad (l’esclave d’Ibn `Abbas) : Le Messager d’Allah (ﷺ) a dit à Mu`adh quand il l’a envoyé au Yémen : « Tu vas aller vers les gens du Livre. Quand tu arriveras, invite-les à témoigner qu’il n’y a de divinité qu’Allah et que Muhammad est Son Messager. S’ils acceptent, informe-les qu’Allah leur a prescrit cinq prières chaque jour et chaque nuit. S’ils acceptent, dis-leur qu’Allah leur a rendu obligatoire de donner la Zakat, qui sera prise aux riches parmi eux et donnée aux pauvres parmi eux. S’ils acceptent, alors évite de prendre le meilleur de leurs biens, et prends garde à l’invocation de la personne opprimée, car il n’y a pas de barrière entre sa prière et Allah. »