These studies are a spur to the young, a delight to the old; an ornament in prosperity, a consoling refuge in adversity; they are pleasure for us at home, and no burden abroad; they stay up with us at night, they accompany us when we travel, they are with us in our country visits.
Do not be arrogant because of your knowledge, but confer with the ignorant man as with the learned.... Good speech is more hidden than malachite, yet it is found in the possession of women slaves at the millstones.
The Maxims of Ptahhotpe [c. 2350 B.C.], maxim no. 1