"You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant."
— Harlan Ellison

"Perhaps what is inexpressible (what I find mysterious and am not able to express) is the background against which whatever I could express has its meaning."
— Ludwig Wittgenstein (Culture and Value)

"It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring."
— Carl Sagan

"I am against religion because it teaches us to be satisfied with not understanding the world."
— Richard Dawkins

"Reality is that which, when you stop believing in it, doesn't go away. "
— Philip K. Dick