“Intelligence alone is not nearly enough when it comes to acting wisely.”

“He is a man of intelligence, but to act sensibly, intelligence is not enough.”

“Intelligence is quickness to apprehend as distinct from ability, which is capacity to act wisely on the thing apprehended.”

“It's other people who make us wise, and I haven't known nearly enough.”

“Man is so intelligent that he feels impelled to invent theories to account for what happens in the world. Unfortunately, he is not quite intelligent enough, in most cases, to find correct explanations. So that when he acts on his theories, he behaves very often like a lunatic.”

“To lose time in the manufacture of cut-and-dried constitutions is, in consequence, a puerile task, the useless labour of an ignorant rhetorician. Necessity and time undertake the charge of elaborating constitutions when we are wise enough to allow these two factors to act”