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"When you drink the water, remember the spring."

"Habits are cobwebs at first; cables at last."

"A bird does not sing because it has an answer. It sings because it has a song."

"A nation's treasure is in its scholars."

"When you have only two pennies left in the world, buy a loaf of bread with one, and a lily with the other."

"The gem cannot be polished without friction, not a man perfected without trials."

"Go often to the house of thy friend; for weeds soon choke up the unused path."

"Do not employ handsome servants."

"Make sure to be in with your equals if you're going to fall out with your superiors."

"If you believe everything you read, better not read."

"Don't think there are no crocodiles because the water is calm."

"If you want to be respected, you must respect yourself."