飲流懷源 [ㄧㄣˇ ㄌㄧㄡˊ ㄏㄨㄞˊ ㄩㄢˊ; yin3 liu2 huai2 yuan2] lit. when you drink water, think of its source (idiom); gratitude for blessings and their well-spring Don't forget where your happiness come from. Be grateful for all your blessings! ◄ ►