Re
Hong,
You asked for literature where the wizard was the most powerful character in the story, not for literature alike or unlike wizards in D&D. I listed stories where the wizards were heads and tails above the warrior types in power. The stories I listed all had arcane caster type characters who were far more powerful than their warrior counterparts.
You know as well as I that just because you have the power, doesn't mean you always win, especially in stories.
Yes, wizards as the most powerful class is a good thing to me. It fits my concept of how powerful magic should be. I am not saying this is how it should be for everyone, just how I like it.
In any fantasy world I DM, Magic is the most potent force in the entire world equaled only by the divine power of the gods themselves, who also employ magic. Wizards, and sorcerers to a lesser degree, being the premier users of arcane magic stand heads and tails above the other classes in terms of sheer power and versatility.
This is not how all people like to play, but my players and I don't have much trouble with it. It isn't like other class types aren't potent, they just aren't as potent as the arcane casters except in specific circumstances where magic is ineffective.