"My feeling is of pride in the players and for the Chilean people," said Sampaoli after Chile held Brazil to a 1-1 draw over 90 minutes and extra time only to succumb 3-2 in a penalty shoot-out at the Mineirao Stadium yesterday.
"I am sad because to play like this against the hosts and end up losing in the way we did is obviously very hard for us," he added.
"The players did everything possible and represented the country in an incredible manner. They will go down in history for the way they represented their country."
"That was our chance to make history, to give the Chilean people the historic moment that they needed.
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"Brazil never took risks and did not create chances. They seemed to be waiting for penalties and we almost ended up winning the game."
He added: "We were playing against candidates to win the World Cup and we were close to winning the match.
"We have beaten Spain and competed equally against Netherlands and Brazil. But sadly you can't know what is going to happen with penalties. It is more about fortune than anything else."
"We will see in the future if Brazil are candidates. They are a solid, compact side and have taken a big step today. They will go into their coming games feeling much more secure," he said.