Children should be educated and instructed in the principles of freedom. - John Adams
It is the action of an uninstructed person to reproach others for his own misfortune; of one entering instruction, to reproach himself; and one perfectly instructed, to reproach neither others nor himself. - Epictetus
People need to be reminded more often than they need to be instructed. - Samuel Johnson
Laws are partly formed for the sake of good men, in order to instruct them how they may live on friendly terms with one another, and partly for the sake of those who refuse to be instructed, whose spirit cannot be subdued, or softened, or hindered from plunging into evil. - Plato
The wise are instructed by reason; ordinary minds by experience; the stupid, by necessity; and brutes by instinct. - Cicero