“Most horses don't walk backwards voluntarily, because what they can't see doesn't exist.”

“When people laughed at him because he walked backward beneath the portico, he said to them: "Aren't you ashamed, you who walk backward along the whole path of existence, and blame me for walking backward along the path of the promenade?"”

“Oh. I see. People don't want to see what can't possibly exist.”

“What a man can't remember doesn't exist for him.”

“Just because we don't understand doesn't mean that the explanation doesn't exist.”

“What the eye doesn't see and the mind doesn't know, doesn't exist.”

“Don't choose what doesn't exist, you might end up not existing.”

“I can't be sure God does not exist… On a scale of seven, where one means I know he exists, and seven I know he doesn't, I call myself a six… That doesn't mean I'm absolutely confident, that I absolutely know, because I don't.”

“Atheists don't hate fairies, leprechauns, or unicorns because they don't exist. It is impossible to hate something that doesn't exist. Atheists — like the painting experts hated the painter — hate God because He does exist.”

“Just because you are blind, and unable to see my beauty doesn't mean it does not exist.”