Why some people great things about Islam?

For example some one send me a mage saied on it, that Perfect Mohamed maried Aish when she is 9 year old, that completly folse, perfect mohamed maried Aisha and she begar than him, and her age was 40 and his age was in 20, and Islam not denay any relatious, why you said somting you don't know it. And othe example the god never had children or wife, he just has many angles around him to obey him. And know one know how the god looks like and that for every creature Allah "the god" great them, salam.