“Prejudice, not being founded on reason, cannot be removed by argument.”

“You raise your voice when you should reinforce your argument.”

“He who has so little knowledge of human nature as to seek happiness by changing anything but his own dispositions will waste his life in fruitless efforts and multiply the griefs which he purposes to remove”

“Between falsehood and useless truth there is little difference. As gold which he cannot spend will make no man rich, so knowledge which cannot apply will make no man wise.”

“The fountain of content must spring up in the mind, and he who hath so little knowledge of human nature as to seek happiness by changing anything but his own disposition, will waste his life in fruitless efforts and multiply the grief he proposes to remove.”

“I found our speech copious without order, and energetic without rules”

“Reason by degrees submits to absurdity, as the eye in time is accommodated to darkness.”