What does the phrase "lucky is as lucky does" mean? Context: From the book, "Last Man Standing", by David Baldacci. He touched his chest where the other “cigar burn” was in full, blooming glory. It had entered his body and exited at the back of his shoulder, somehow skirting his Kevlar on both ends, and still had enough kick left to erase the head of a guy behind him who was about to cleave Web’s skull with a machete. And who said he wasn’t lucky? Web smiled at himself in the mirror. “Lucky is as lucky does,” he said to his reflection.