助人为快乐之本zhù rén wéi kuài lè zhī běnzhurenweikuailezhibenpleasure from helping othersCharacters in this word为to do, to act之marks preceding phrase as modifier of following phrase乐cheerful, happy, laughing人man, person助to help, to aid, to assist快speedy, rapid, quick本root, origin, sourceStudy it in Yanamino