And the Stormers star believes that the Boks can turn things around this Saturday at Ellis Park and earn a series-equalling win if they play with the same dominance and authority that have made past Bok teams successful.
According to Kolisi, there is nothing wrong with the plan coach Allister Coetzee has in place.
He says the stunning defeat - their first to Ireland on home soil - was down to the players’ mistakes.
The Bokke’s technique taking contact in the tackle was all wrong and the Irish could easily turn over ball possession.
On Saturday they were hopeless.
And as much as Kolisi sometimes offered a glimmer of hope with his carries, it was the ineffectiveness of the team in getting over the advantage line and dominating the collision that was disappointing.
Kolisi explains: “It wasn’t the start that we wanted.
“We had great plans as a team and I think we got carried away and wanted to play from everywhere.
“We made too many mistakes and we were not happy about the way we went about the game.
“Things that we pride ourselves in like the basics just weren’t good.
“We went high on our carries, we didn’t dominate our carries.
“We are not going to focus on what the Irish did but rather on what we did and we will have to work harder this week.
“There must be less talking and more doing.”