To give our children and future generations hope, we must destroy every child on Earth and never have any more. I have already started this misson, child numbers have been halved in my local district. Will you join the cause?
To perpetuate what everyone has said, you can break obsidian with ANYTHING at all. However, you may only mine (and acquire blocks from it) using a diamond pickaxe. Don't get cocky, don't feel special, and please don't perpetuate this thread any longer than it takes for you to understand this. Your copy of Minecraft is not "magic" nor is it "ub3r h4x0rd". You just don't fully understand the game. Understand that I am not trying to be rude, but perhaps I come across as such since I dislike when people find a "glitch" in their game due to their own ignorance. And..... /endrant