Someone once quoted Shakespeare to the philosopher W. V. O. Quine: "There are more things in heaven and earth than are dreamt of in your philosophy." To which Quine is said to have responded: "Possibly, but my concern is that there not be more things in my philosophy than are in heaven and earth."
The perfect reply to that, my least favourite line of Shakespeare.
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.