Despite an impressive start to the Guinness Six Nations, Calvin Nash has brushed away any suggestion that Ireland are near their peak.
Simon Easterby's men are two from two after bonus-points wins over England and Scotland.
They have scored four tries in each game and secured the result long before the final whistle of both matches.
The defending champions stuttered through the Autumn Nations Series, losing to New Zealand and claiming unconvincing wins over Argentina and Australia.
"I don't think so," said Munster wing Nash, who scored Ireland’s first try against Scotland, when asked if Ireland were back to their best.
"We gave away a lot of penalties at the breakdown and stuff and if we were to say that was near our best, probably it wasn't.
"I think we've a lot left in us, a lot of things that we can tidy up.
"We're obviously delighted with the win but it's still early days, there's no point in getting ahead of ourselves and we're training this week, I'm sure there'll probably be some harsh reviews but some good reviews as well.
"We'll learn from it and just kick on and keep going."

Nash started all five games of the championship last season and the two Tests in South Africa when Mack Hansen was injured but didn’t get a minute during four November games, including the win over Fiji.
But when the Connacht man was forced to pull out with a tweaked hamstring the day before the Scotland game, Nash was pushed into action for his ninth cap.
The 27-year-old said: "Being out of the squad is tough, especially when you're close and training the whole time with them and probably the start of the Six Nations as well, I wanted to put my best foot forward and try to get in and obviously there's a bit more disappointment not getting selected.
"But I think with this team, as long as the competition is pushing everyone forward and the team is going in the right direction, I can slot in or anyone can slot in. It's probably a good sign of the squad."
Nash (above) trotted over for Ireland’s opening try at Murrayfield as he got on the receiving end of Sam Prendergast’s 24.4-metre pinpoint pass.
"Yeah, those are the handy ones now, stick out on the wing and touch the ball down, they're the nice ones to get," he said of his third international try.
"We were rooming on Saturday night and he told me he'd give me one, so yeah, happy days.
"It was [my first time playing with him].
"I think he's unbelievable. He's an unbelievable passer, an unbelievable kicker. Yeah, the lad has it all, doesn't he."
Ireland face Wales next up and Nash hopes that his recent form, for club and country, will help him keep his place.
He added: "I've been confident in my ability, being on the pitch, and I suppose the lead up to this camp has given me massive confidence as well so I've just been backing myself a bit more.
"It's not my first game with the lads and the only thing you have to be over, really, is the moves. Other than that it's just about playing rugby in the system and yeah, you just slot in."
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