Perhaps no other actor has had such a miraculous comeback as Robert Downey Jr. He's been through pitch black darkness before seeing a light of hope. Not that anybody ever doubted his acting talent. It's just that it had been temporarily overshadowed by his substance abuse habit.

But now the man is back. He's delivering one blockbuster after another and hopefully the streak will continue. And today happens to be his birthday! So let's take a look at some of the best quotes ever by the birthday boy.

(On his drug abuse relapse)

Awesome designs made by: Palki Sharma

Here's hoping for many more years of awesomeness, Tony Stark! Happy birthday!