Tripper, meanwhile, revealed the secret behind England's dramatic penalty shootout success - "practice and practice and practice".
England began the shoot-out with a record of six defeats in seven at major tournaments.
Euro 96, over 20 years ago, when football genuinely came home.
Jordan Henderson's effort was saved by David Ospina, but Bacca and Mateus Uribe missed for Colombia.
Mr Robertson, 44, said: "If England can win a penalties for the first time in I don't know how many years - 50 years of hurt, we win on penalties then we can go all the way. So, it's rare to find perfection in anybody", said Southgate, according to Sky Sports.
"We were so unlucky to concede in the last minute, but we stood up, we were tall and didn't let it affect us", said the captain.
"We are getting smarter, and maybe played by the same rules as the rest of the world", Southgate said.
"I think given the penalties have broken the curse, we're going all the way - 2-1 in the final against France".
Former English players Gary Neville and Lee Dixon were providing analysis of the game for ITV and celebrated by jumping around and hugging each other.
"Obviously we played well in the first few group games, but I just hope we don't freeze under the pressure of knockout football".
"The house will be hard on Tuesday because obviously one of us will be sad, I just hope Dan doesn't gloat too much if England win".
Pickford says that he was well prepared after researching the opposition.
At 6ft 5in, Courtois is one of the most imposing goalkeepers on the worldwide scene and is the joint-third tallest out of 736 players competing at the World Cup this summer.