“If you are patient in a moment of anger, you will spare yourself one hundred days of tears.”
“If you know a lot, know enough to make them respect you, if you are stupid, be stupid enough so they can pity you.”
“Don’t let an angry man wash dishes; don’t let a hungry man guard rice.”
“Don’t shoot people you hate; don’t lend to those you love.”
“For news of the heart ask the face.”
“You don’t have to cut a tree down to get at the fruit”
Sources:
http://www.inspirationalstories.com/proverbs/t/cambodian/
http://www.special-dictionary.com/proverbs/source/c/cambodian_proverb/