[yǐn shuǐ sī yuán, ㄧㄣˇ ㄕㄨㄟˇ ㄙ ㄩㄢˊ, 饮水思源 / 飲水思源] lit. when you drink water, think of its source (成语 saw); gratitude for blessings and their well-spring; Don't forget where your happiness come from.; Be grateful for all your blessings! #69,193[Add to Longdo]