City host Liverpool on Thursday but Pochettino was keener to focus on what his team can do to deliver the London club's first league title since 1961.
It was the flawless way for Mauricio Pochettino's side to bounce back after their disappointing 3-1 defeat to Wolves at Wembley on Satudray.
Harry Kane. The man who just loves scoring on New Year's Day was at in again in the Welsh capital, taking his tally to 14 league goals this season - no player has more so far.
Subs: Peltier, Bennett, Ralls, Smithies, Mendez-Laing, Madine, Hoilett.More news: Floyd Mayweather Punks Opponent, Alludes to $9 Million Payday
3' - GOOOOOOAAAALLLLLL! Cardiff 0-1 Tottenham.
Spurs were ahead with less than three minutes gone as Cardiff made a complete mess of defending a Kieran Trippier cross and the ball bounced into the net off Kane's shin.
Before losing to Wolverhampton Wanderers last weekend, Tottenham had smashed in 11 goals in two games, but they will find it tough in Wales. It wasn't pretty, but Spurs won't care one bit.
It is not only opponents who Eriksen has been keeping guessing in recent months.
Spurs have won their last five Premier League games on New Year's Day to suggest a return to winning ways is likely. Cardiff are being carved apart here all too easily.More news: Man in U.S. illegally arrested in shooting death of California officer
Cardiff manager Neil Warnock said that early goal was a heavy blow: "When we start off like that we shoot ourselves in the foot".
Over the past three seasons, Tottenham have finished second and twice finished third.
Christian Eriksen has scored 19 goals from outside the box in the Premier League; the most of any player in the competition since his debut (September 2013).
While it will be relatively easy for Warnock to shrug off these losses to Champions League sides, he will hope that his players' confidence isn't affected when they are next at home, especially as they will be hosting relegation rivals Huddersfield.
Tottenham Hotspur legend Graham Roberts has lauded Moussa Sissoko's performance against Cardiff on Tuesday and believes the Frenchman is "bossing" it in midfield this season.More news: US House Democrats introduce legislation to reopen government