24-2-1940: On this day in 1940 former Scotland and Manchester United striker Denis Law was born.
“Denis Law could dance on egg-shells.”
Bill Shankly
“Busby knew how important he was. When Denis was doubtful the boss would practically be on his hands and knees hoping he could play.”
Harry Gregg
Quotes from The Cassell Soccer Companion by David Pickering, 1997.
Flick to Kick 
He could indeed dance on egg-shells, a remarkable player with not enough written about him. Nicely written article here though http://www.aboutmanutd.com/man-u-players/denis-law.html