“I’d learned a long time ago that you can’t prove a negative. You can prove that you did something, but it’s the devil to prove you didn’t do something.”
“You can't prove that something doesn't exist. You can only prove that something does exist.”
“Complaining proves nothing but that you can hear the voice of the Devil”
“If you feel obsessed to prove something to the world, then you'd need world attention to be able to prove it.”
“Yet this book is to prove that no matter how you travel, how 'successful' your tour, or foreshortened, you always learn something and learn to change your thoughts.”
“That just proves there's something going on with you and Mr. Jackass.”