The pessimist is seldom an agitating individual. His creed breeds indifference to others, and he does not trouble himself to thrust his views upon the unconvinced.
There are many definite methods, honest and dishonest, which make people rich; the only instinct I know of which does it is that instinct which theological Christianity crudely describes as the sin of avarice.
I approach every part I'm asked to do and decide to do from exactly the same angle: who is this person, what does he want, how does he attempt to get it, and what happens to him when he doesn't get it, or if he does?
I never cheat or steal. Also, I never wear a top-hat with a sack coat or munch bananas in public on the streets, because a gentleman does not do those things either. I would as soon do the one as the other sort of thing--it is all a matter of harmony and good taste.
Muhammad has always been standing higher than the Christianity. He does not consider god as a human being and never makes himself equal to God. Muslims worship nothing except God and Muhammad is his Messenger. There is no any mystery and secret in it.