He said "until we make some of our past leaders walk through those doors of the EFCC new office, the fight against corruption would not have the needed traction".
He refuted allegations the administration is orchestrating a witch-hunt, stressing: "We are determined within the laws to call people to account".
He described the inauguration of the EFCC head office building as another milestone in his determined and collective fight against corruption.
The President said under his watch, all Nigerians were now aware that corrupt officials would be held to account, no matter how long it took.
He added: "Throughout my journey in national service and, since 2015, I have made a very conscious decision to pursue a vigorous fight against corruption in public life".More news: Cleveland Cavaliers vs Boston Celtics: Lineups, preview & prediction 5/15/18
Ladies and gentlemen, an American author and philanthropist, Anthony Robbins once said: "The only impossible journey is the one you never begin". We must CHANGE our ways of handling public trust.
President Muhammadu Buhari on Tuesday recalled events leading to his ouster as Nigeria's military head of state and eventual incarceration for three years by a military government that succeeded him. Yakubu Dogara, in his goodwill message at the ceremony, debunked the picture being painted that "Nigeria is fantastically corrupt" except President Buhari.
He said: "I am happy to say that it is with the support of the National Assembly that the funds were put together to complete this edifice".
"Many years I became justified because I became an issue in that country".
As if the President's renewed sermon on anti-corruption is to prepare the road to 2019, the Kaduna State governor, Nasir El-Rufai, has dismissed threats by members of the New Peoples Democratic Party (nPDP) to exit the APC.More news: Iran's foreign minister on diplomatic tour to save nuclear deal
"We are pursuing recoveries everywhere and are making sure that anyone who has been found culpable is made to answer for his or her crime under the law".
He particularly called on the Legislature to add more verve to the determination of government to rid the nation of the brazen corruption witnessed in recent years, through reviewing archaic constitutional provisions and proactive passage of new legislation.
In his remarks, Onyeama said anti-corruption was one of the three priority areas of the President. There are millions of Nigerians who have not bent their knees to the god of corruption, that fact I must emphasize.
Now first of all I came here just last week when I made a statement to the effect that if structures, world-class facilities such as this can fight corruption, then we can go home and be assured of winning the war against corruption.
The renowned writer said he asked the EFCC acting chairman, Ibrahim Magu, for the "presidential wing" of the cells, saying he asked out of his human rights concerns to ensure such personalities are well treated while in detention. "The office complex is built to accommodate 700 staff with a fully equipped forensic laboratory and medical centre", he explained.More news: 1 killed after possible explosion, auto crash in Aliso Viejo
He said the commission had also recovered over N500 billion with a promise to intensify the fight against corruption.