“He (John Major) has the mulishness of a weak man with stupidity.”

“Every man has a weakness!” he patiently explained. “I'll find theirs, I promise you.”
“Every man?”
“Yes,” he answered emphatically.
…
“What is your weakness, Brodick?” she asked.
“You.”

“There's no greater tragedy than an equal intensity, in the same soul or the same man, of the intellectual sentiment and the moral sentiment. For a man to be utterly and absolutely moral, he has to be a bit stupid. For a man to be absolutely intellectual, he has to be a bit immoral.”

“Most people don't believe something can happen until it already has. That's not stupidity or weakness, that's just human nature.”

“I understand why he has to do this; to prove he's a man… He's afraid of his own weakness. Russia has nothing, no successful politics or economy. All they have is this.”

“A weak man has doubts before a decision; a strong man has them afterwards.”

“The most hopelessly stupid man is he who is not aware that he is wise.”

“…I am a stupid, stupid man. I am a very, very dumb person. I…" [laughs in self-deprication] "He has an Auchenai Soulpriest! Why would you do that?! What is wrong with you?!”

“Mort was already aware that love made you feel hot and cold and cruel and weak, but he hadn't realized that it could make you stupid.”

“He has joined the great majority.”
Abiit ad plures.