Xabi Alonso scored twice to set up a meeting with Portugal as La Roja avenged their 3-1 defeat to Les Bleus six years ago in the last 16 of the World Cup in Germany.
"The good thing about football is you have always have a chance for revenge and today was our moment [against France]," Ramos told reporters after the game.
"This Spain team have taken a step forward - we showed what we are all about in this victory and we are in the semi-finals now.
"We have to carry this on all the way to the final.
"We can't rest on our laurels because every game is a final and Portugal have done really well to get to the semi-finals, so it will be difficult."
Cesc Fabregas also felt Spain deserved to progress, adding: "We played really well in the first half, actually one of the best first halves in the tournament. We are very happy now.
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"Portugal will be very difficult. They have strong individuals, strong players. Apart from their good open play, they are very good on the counterattack, and we will have to work hard in that game.
"They have Ronaldo, Nani, Raul Meireles, Joao Moutinho. They have very good players."