" He was simply a nadhir, a messenger with a warning, and should approach the Quraysh humbly, avoid provocation, and be careful not to attack their gods. This is what the great prophets had done in the past.28 A prophet had to be altruistic; he must not trumpet his own opinions egotistically or trample on the sensibilities of others, but should always put the welfare of the community first. A "

― Karen Armstrong , Muhammad: A Prophet for Our Time