"We could have scored more goals and we controlled the match very well.
"In defence we did not have to undergo too many stressful situations and we attacked constantly.
"But we have to go on in the competition otherwise it will not be remembered as an achievement.
"You cannot foresee it, but if the number of goals becomes important in this group, we may rue that we did not score all the goals we should have."
Nevertheless, Bielsa accepted the joy victory was likely to bring to
The tournament in
Bielsa said: "We do enjoy the affection of the people and we try to pay them back by playing at our best level."
The central American side had hopes of causing an upset but - missing key striker
Mendoza, in charge while
"We did get the ball into their half but unfortunately we could not create a situation that would lead to a goal.
"We did a good job in the second half but technical merit does not count - goals count and
"They overcame us and I think they won quite justifiably. It was difficult for us to keep possession."
Spain hero Andres Iniesta claims he never lost faith in achieving FIFA World Cup success, despite a frustrating season with injuries and a bad start for Vicente del Bosque's side in South Africa.