“Both for a philosopher and for a scientist it can be important not to reject the possibility of finding a white crow.… — Jostein Gaarder Copy Share Image
“In order to disprove the assertion that all crows are black, one white crow is sufficient.” — William James Copy Share Image
And although I have seen nothing but black crows in my life, it doesn't mean that there's no such thing as a… — Jostein Gaarder Copy Share Image
