“ You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant.
“ The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser men so full of doubts.
“ Real stupidity beats artificial intelligence every time.
— Terry Pratchett, Hogfather
“ Pain and suffering are always inevitable for a large intelligence and a deep heart. The really great men must, I think, have great sadness on earth.
— Fyodor Dostoyevsky, Crime and Punishment
“ In the beginning there was nothing, which exploded.
— Terry Pratchett, Lords and Ladies
“ Time is a drug. Too much of it kills you.
— Terry Pratchett, Small Gods
“ It’s not worth doing something unless someone, somewhere, would much rather you weren’t doing it.
“ In ancient times cats were worshipped as gods; they have not forgotten this.
“ Courage doesn’t always roar. Sometimes courage is the little voice at the end of the day that says I’ll try again tomorrow.
“ The surest sign that intelligent life exists elsewhere in the universe is that it has never tried to contact us.