Arsene Wenger believes Arsenal's last-gasp 2-1 victory at 10-man Hull could go a long way to delivering a first Barclays Premier League title since 2004.
Nicklas Bendtner struck in stoppage time as the Gunners kept pace with Chelsea at the top of the table, although they have played a game more than their rivals.
"It's maybe not good for my heart, but for the championship it's not bad," Wenger said after Arsenal's fifth straight win. "We have eight games to go, we are in there, why should we not believe?"
The Gunners went in front when Andrey Arshavin prodded in after 14 minutes but Jimmy Bullard levelled with a penalty after 28 minutes following a clumsy Sol Campbell challenge on Jan Vennegoor of Hesselink.
The visitors struggled to break down Hull following the 45th-minute dismissal of George Boateng but their persistence paid off when Bendtner netted the rebound after Boaz Myhill only palmed out Denilson's shot.
Wenger added: "What I believe especially is that we will give absolutely everything to do it. You saw that in the game. We were a bit jaded but we kept going. We needed the three points and we got it after the 90 minutes."
Wenger had no complaints about the penalty, but did not feel Campbell's challenge was worthy of a red card as the last defender.
"Vennegoor of Hesselink played him in an intelligent way," added the Gunners boss. "Sol had no other option than to touch him but there was no intention, it was accidental. And he (Vennegoor of Hesselink) was offside at the start."
Hull manager Phil Brown felt Campbell - a player he spoke to over a move to the KC Stadium last summer - should have been sent off.
"The pivotal moment was undoubtedly in favour of Arsenal," Brown said. "He should have been red carded, it's as simple as that."
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