“Educate your children to self-control, to the habit of holding passion and prejudice and evil tendencies subject to an upright and reasoning will, and you have done much to abolish misery from their future and crimes from society.”

“For when you assemble a number of men to have the advantage of their joint wisdom, you inevitably assemble with those men, all their prejudices, their passions, their errors of opinion, their local interests, and their selfish views. From such an assembly can a perfect production be expected?”

“If Passion drives, let Reason hold the Reins.”

“Thinking aloud is a habit which is responsible for most of mankind's misery.”

“Your net worth to theworld is usually determined by whatremains after your bad habits aresubtracted from your good ones”

“Slavery is such an atrocious debasement of human nature, that its very extirpation, if not performed with solicitous care, may sometimes open a source of serious evils. The unhappy man who has been treated as a brute animal, too frequently sinks beneath the common standard of the human species. The galling chains, that bind his body, do also fetter his intellectual faculties, and impair the social affections of his heart… To instruct, to advise, to qualify those, who have been restored to freedom, for the exercise and enjoyment of civil liberty… and to procure for their children an education calculated for their future situation in life; these are the great outlines of the annexed plan, which we have adopted.[For the Pennsylvania Society for Promoting the Abolition of Slavery, 1789]”

“Who is wise? He that learns from everyone. Who is powerful? He that governs his passions. Who is rich? He that is content. Who is that? Nobody.”