I thought from the very beginning that you can get wife how much as you want as long as you can sustain their needs; that's all, nothing more nothing less.
According to Quaran, the God have said that it's allowed to marry up to four wives.
Al-Maawardi, from the Shaafii School of jurisprudence, said: Allaah has permitted a man to marry up to four wives, saying: {
two or three or four
}, but Allaah advised that it is desirable for man to marry only one wife, saying: {...But if you fear that you will not be just, then [marry only] one}
- From the same page.
However, most of scholars are interpreting this as "one is better than four".