These pigeons have been living with each other for 10 or 15 years, but when I throw feed down, they kill each other to get it, and it's the same with the fighters. We love and respect each other...but we need that money.

I like horror movies. Nightmare on Elm Street is my favourite. I even get scared a little bit watching horror.

I'm a good friend, but I'm a hell of an enemy. As your enemy, I want your demise. When I feel that in my heart it burns till I die.

Common sense is so very simple but very difficult to grasp.

I have to always make sure I don't stay in one place and spend too much time one subject. I have my wife tell me [through an earpiece], "Come back! You're taking too long on that subject." I need to be reeled in.

Whatever you want, especially when you’re striving to be the best in the world at something, there’ll always be disappointments, and you can’t be emotionally tied to them, cos’ they’ll break your spirit.

I probably have a 20,000-word vocabulary. I'll match my wits with anyone on literature, science and the arts.