The runaway leaders could restore a 10-point cushion when they take on West Ham United on Monday night, but Pochettino insists that his side will be ready to capitalise on any slip-ups Antonio Conte's team may make.
"The most important thing is to show the belief on the pitch and today I think we showed that," he told reporters.
"More than talk and more than speak outside, it is better the team show their performance because I think [regarding] belief the answer is very easy.
"We need to be there, it's not up to us of course, but it's up to us to be ready if they fail."
Spurs will host Millwall in the FA Cup next weekend before returning to Premier League action against Southampton.