Sayyiduna Simak bin Harb says that I heard Sayyiduna Nu'man bin Bashir (may Allah be pleased with him) delivering a sermon, he was saying that Sayyiduna Umar (may Allah be pleased with him) mentioned the (wealth and riches) that people were acquiring, and then said: I saw the Messenger of Allah (peace and blessings of Allah be upon him), he would remain restless from hunger all day, and even inferior dates would not be available to him with which he could fill his stomach.