“Morals excite passions, and produce or prevent actions. Reason of itself is utterly impotent in this particular. The rules of morality, therefore, are not conclusions of our reason.”—David Hume
Note about the selection of this quote: While I am not inclined towards the position that reason is (and ought to be) slave to the passions, I considered this a good quote on the topic of rationality because it concisely presents one of the most fundamental challenges for rationalism as such.
“Morals excite passions, and produce or prevent actions. Reason of itself is utterly impotent in this particular. The rules of morality, therefore, are not conclusions of our reason.”—David Hume
Note about the selection of this quote: While I am not inclined towards the position that reason is (and ought to be) slave to the passions, I considered this a good quote on the topic of rationality because it concisely presents one of the most fundamental challenges for rationalism as such.