“Since life is but a dream,
Why toil to no avail?”
Li Bai (701–762) Chinese poet of the Tang dynasty poetry period
"A Homily on Ideals in Life, Uttered in Springtime on Rising From a Drunken Slumber" (c. 750), in A Golden Treasury of Chinese Poetry: 121 Classical Poems (1976), p. 115
Variant translation by Arthur Waley: "Life in the World is but a big dream; I will not spoil it by any labour or care."