"Every single game helps us to learn, to improve, and to get more experience," said Wagner.
"With the experience we've got now after these two games, we can look forward, even if we know this is still a big, big, difficult task we have in front of us.
"The points we have on the table so far are not a fluke, they are well-deserved points.
"We are happy but it's not about the momentum, it's only about the confidence you have that you are competitive."
Wagner did not rule out bringing in more new faces, but stressed he was keen to give all his players a chance to perform.
"I like to be totally open-minded and give everybody the chance to show how capable he is in the Premier League," said Wagner.
"I have a clearer picture than I had before the first two games and I will get the best picture after the next two games before the window closes and then we can decide what we have to do, but my picture is clearer now."
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