If you're sitting on the best possible hand in Texas Hold 'Em, and you get your opponent to fold without ever having to show your hand, your hand had influence on how things worked out. Presumably, you wouldn't have been as confident and aggressive with your hand if it wasn't good.
If you have the best possible hand in Texas Hold'Em, and your opponent folds - he's the one who made the right move, not you.
If you have the best possible hand in Texas Hold'Em, and your opponent folds - he's the one who made the right move, not you.