It is narrated from Salamah bin Qais who says: I met Abu Dharr, and he said: O Salamah bin Qais! Preserve three things: Do not gather two wives together, you will not be able to do justice even if you are very eager; secondly, do not become a collector of charity, because either he is one who diminishes or one who increases; do not go near the king, because the more you reach their world, the more they will take away from your religion.