"A filthy mouth will not utter decent language."

"If we don't change our direction we're likely to end up where we're headed."

"A diamond with a flaw is worth more than a pebble without imperfections."

"A book tightly shut is but a block of paper."

"A book holds a house of gold."

"Do not fear going forward slowly; fear only to stand still."

"It is not enough to aim; you must hit."

"A country can be judged by the quality of its proverbs."

"Whoever gossips to you will gossip about you."

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

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

"Speak the truth, but leave immediately after."