Which online media source claims that " YOLO " is dumb ?
The phrase " you only live once " is commonly attributed to Mae West , but variations of the phrase have been in use for over 100 years , including as far back as ( the German equivalent of ) " one lives but once in the world " by Johann Wolfgang von Goethe in the play Clavigo in 1774 , and as the title of a waltz " Man lebt nur einmal ! "