“Sometimes signs are just signs; sometimes they lead you in the wrong direction”
“Sometimes sluttiness is a sign of intense longing.”
“If you feel that everything's too damn okay,then it is just a sign that something is wrong.”
“When you're on your own, you look for signs. Sometimes you make them up, sometimes they're actually there, but most of the time you can't tell the difference from the two.”
“There's a saying that all roads lead to Ankh-Morpork. And it's wrong. All roads lead away from Ankh-Morpork, but sometimes people just walk along them the wrong way.”
“Doubt is not always a sign that a man is wrong; it may be a sign that he is thinking.”