Here’s the statement, in full:-

Muhammad Ali was The Greatest. Period. If you just asked him, he’d tell you. He’d tell you he was the double greatest; that he’d

”Handcuffed lightning, thrown thunder into jail”
But what made The Champ the greatest – what truly separated him from everyone else – is that everyone else would tell you pretty much the same thing.

Like everyone else on the planet, Michelle and I mourn his passing. But we’re also grateful to God for how fortunate we are to have known him, if just for a while; for how fortunate we all are that The Greatest chose to grace our time.

Source http://www.bookspen.com/2016/06/06/glance-president-obamas-powerful-tribute-late-muhammad-ali/