Colombia's final Group H game comes on Thursday when they meet Senegal, but Quintero says there is plenty of confidence in the squad despite the lure of finishing top of the group being of great importance.
Adam Nawalka's men were hoping to build on that chance but they got caught out with a swift counter in 70th minute.
Falcao, Colombia's all-time leading scorer with 30 goals, made sure he would stay healthy for this year's World Cup by sitting out several matches with his Monaco club this season.
The second half saw the South Americans back at their best, securing the result with two goals in five minutes to keep their World Cup hopes alive.
After a quiet spell in the clash, Yerry Mina finally broke the deadlock for Colombia five minutes before the break with a clinical header inside the box following a teasing cross from James Rodriguez, 0-1.
Poland started the second half a much better side and nearly levelled matters on the hour mark when Robert Lewandowski showed great skill inside the box to bring a lofted cross under control before seeing his shot from 14 yards well-stopped by the Colombian keeper. Quintero came close in the 56th minute on the break, but his goal-bound shot took a deflection. From deep in his own half, Jan Bednarek's long ball found Robert Lewandowski, who showed good control to bring it down and shoot, but David Ospina rushed out and produced a good save with his chest.
After two defensive lapses against Senegal led to a 2-1 defeat in their opener, the Poles looked second-best by miles all night against Colombia and talismanic striker Lewandowski summed it up with his nonchalant comments after the defeat to Los Cafeteros at the Kazan Arena.
On loan from Real Madrid, Bayern Munich midfielder James Rodriguez was back in Colombia's starting XI after recovering from his calf injury. He pressed relentlessly, tracked back and delivered an assist for Mina.
Southgate added: 'He probably needs to add goals to his game to become a more complete midfield player I'd say'. He formed an excellent partnership with Quintero to create some lovely play for Colombia.
And with Lewandowski and his team-mates hurting, ruthless World Cup fans have unearthed an old tweet the Poland captain sent to Rodriguez a year ago.
However, Djokovic repelled five break points, showing the sort of defensive prowess he used to offer up in his pomp. Marin Cilic has gone from Queen's Club runner-up 12 months ago to being the 2018 champion.
Supreme Court . "There are nuances to every opinion", he said. "The taxpayers of Florida really rely heavily on the sales tax". Pete Ricketts was among those opponents, although he had been seeking a compromise at the time the bill failed.
The Queen said of the races in the program, according to The Telegraph : "My family and I greatly look forward to Royal Ascot ". It has now been reported that the Duchess of Sussex's dad was reportedly paid £7,500 for the tell-all interview .
Until that case is resolved, South Dakota has already enjoined itself from enforcing that law on any out-of-state retailers. Prior to the ruling , sellers were responsible for collecting sales taxes if they had a presence in the state.
Wahbi Khazri bagged a late consolation for Tunisia , but it did little to take the shine off a memorable result for Belgium . With the last touch of the half, Lukaku reimbursed their two-goal advantage with a deft chip over an advancing Ben Mustapha.
In return, critics say, North Korea committed only to the vaguely worded "complete denuclearization " of the Korean Peninsula. The North Korean delegation led by Pak Thae-song, a close aide to Kim, met with top officials of Shaanxi Province.
While plans are still being finalized, Trump's July visit falls on Friday the 13th - a date considered unlucky by some. Footage of children held in cages and crying for their parents has drawn condemnation in the past week.
Senegal's 2-1 victory over Poland came in the day's second Group H game, following Japan's historic 2-1 win over Colombia . Today we finally accompany our team COLOMBIA!" "We lost a match, but now we have to win the next and keep dreaming".
Steen: Japan scored an upset win over Colombia with some strong play, but Senegal also shocked Poland in their opening game. This is at a point facts show that black managers are a rare sight in World Cups, despite its expansion from 24 to 32 teams.
They also threatened a second round of tariffs on some $4.3 billion worth of U.S. products if the dispute was not resolved. European consumers would be able to find "alternatives", European Commission vice-president for trade Jyrki Katainen said.
Team by team analysis of the French Grand Prix
Red Bull's Max Verstappen qualified fourth with Australian team mate Daniel Ricciardo fifth and Ferrari's Kimi Raikkonen sixth. Bottas, less effective in his efforts to recover in a vehicle that suffered floor and other damage, was down in 10th.
England dare to dream after record win
After their last-gasp 2-1 victory against Tunisia on Monday, Gareth Southgate's side were looking to make it two wins from two. Only one English player - Lineker with 10 - now has more World Cup goals than Kane, who has swiftly moved to five goals.
Canada becomes 2nd country to fully legalize marijuana
The government is giving provinces and territories, as well as municipalities, 17 weeks to set up the new marijuana marketplace. When asked if the government is considering amnesty or pardons for people who have criminal records for marijuana crimes, Ms.
Crypto exchange loses $31m from hack
A single Bitcoin is now valued at roughly $6,700, having rebounded slightly since the Coinrail Bitcoin heist lows. It's estimated that 40 billion won, or $37.28 million, worth of cryptocurrencies was stolen.
Iran boss Queiroz quiet on Spain's coaching debacle
Tehran gave a small exception to the stadium ban in 2015, allowing some women to watch a volleyball game, according to Fox News. The Asians now sit on top spot in their group, with the two Iberian sides having played out a 3-3 draw.