Zlatan Ibrahimovic struck twice as Paris St Germain made up for their midweek Champions League defeat by crushing Toulouse 5-0 to stretch their Ligue 1 lead to 13 points on Saturday.
Angel Di Maria netted after six minutes. Ibrahimovic added two more goals while second-half substitute Lucas and Ezequiel Lavezzi also got on the scoresheet.
"We're doing something outstanding. I think we can finish the (league) season unbeaten," said Lucas.
Olympique Lyonnais and St Etienne, second and third respectively on 22 points, meet on Sunday (2000 GMT).
Di Maria put PSG in front with a long-range effort that took a deflection in front of Toulouse keeper Al Ahamada.
Ibrahimovic headed home his 50th Ligue 1 goal at the Parc des Princes in the 18th minute after Marcel Tisserand headed the ball into the path of the Sweden striker.
Lucas came off the bench to replace Edinson Cavani and made an immediate impact, scoring with a header in the 66th minute.
He then slalomed through the defence and his shot was tipped away by Ahamada but Ibrahimovic poked the rebound into the empty net on 75 minutes, his ninth goal in his last eight league appearances.
Lavezzi rubbed salt into Toulouse's wounds three minutes later after he was left completely unmarked by the visiting defence.
"If we continue like this we will be able to rest some players after Christmas," said PSG centre back Thiago Silva.
Image: Paris St Germain's Zlatan Ibrahimovic celebrates after scoring a goal against Toulouse during their French Ligue 1 match at the Parc des Princes stadium in Paris on Saturday.
Photograph: Benoit Tessier/Reuters