New Delhi, Jan 17 (IANS) Boxing legend Muhammad Ali, who turns 70 Tuesday, has an ardent fan in actor Abhishek Bachchan who calls him “true inspiration”.

“Float like a butterfly, sting like a bee!! #happybirthdayAli. Mohamed Ali. The greatest! My father introduced me to this giant in sports when I was a child. A true inspiration,” Abhishek tweeted.

“Not just because he was a great boxer and sportsman but because he taught the world how to believe in what you stand for and … to stand up for what you believe in.

“Had the courage to give up everything to do what he thought was right. And most importantly … taught me that you’re never too late or too old to make a comeback!!” he further posted.