I've used two of these before in another thread, but I love them.
"Life is a serious battle and we must use the tools we are given, it's important to master the cards in your hand, rather than complain about the ones your opponent was delt. Let us begin and may the best trainer win, contests like this are proof that you're really living."
"A flipped coin doesn't always land on heads or tails, sometimes it may never land at all."
This one's easy as the names give it away, but I love it.
"Hello my name is Erik Lennshar (Not spelt right, sorry.)
and I'm Charles Xavier."
Character's reply to the greetings of these two men.
"Go fuck yourselves."
Finally and this one never gets old for me.
"Did you know that there are more guns in the country than there are in the city."
"Yeah, everybody and their Mums are packing around here."
"Really, like who?"
"Farmers"
"Who else?"
"Farmers Mums"