"In our letter, we had a great saying by Albert Einstein and here I paraphrase him: "There are a lot of things that can be counted which don't actually count and there are lots of things that count that can't be counted".
Former Springboks were devastated by the council's decision, which went against an evaluation report that backed them to host.
In a surprise move, France has been announced as the host of the Rugby World Cup in 2023, following an announcement by World Rugby in London.
"But even so it is terribly disappointing". I have no regrets about bidding for the tournament and I want to thank everyone who was involved in it. "We're very grateful for that".
The tournament promised the largest ever attendance for a final with a record 87,436 spectators at the FNB Stadium as part of an availability of 2.9 million match tickets for the event - also a record.
"For nearly six years we have focused passionately on bringing a Rugby World Cup to Ireland in 2023".
"We live to fight another round, and we will most certainly put in a bid for next time (2027)", said Ramaphosa.
"I don't think we could have done anything more". In fact Bill Beaumont said that all three bidders are more than capable of hosting a world class tournament.
"It was not the process which was not fair, but there were some aspects we did not find fair".
"And the answer is we did and it simply just wasn't good enough".
Speaking today, the Taoiseach said: "I am of course deeply disappointed by this result but I wish France the very best in their preparations for Rugby World Cup 2023".
"It is a circular argument that 'yes you (Ireland) can deliver stadia facilities but we are going to mark you down because you don't have them despite the budget being guaranteed by the government".
"When you host the RWC, there is a brilliant platform that creates enough revenues that stems the outflow of players and acts as a barrier against the euro and yen". These clarifications have been addressed with significant supporting detail, and have been shared with the host candidates and World Rugby council. "That recommendation was questioned last week by rivals, but endorsed a second time by World Rugby last week", he said.