From
《古诗十九首·青青陵上柏》 (Nineteen Old Poems, 'Green Green the Cypress on the Mound,' Eastern Han, ~2nd c. CE):
青青陵上柏，
磊磊涧中石。
人生天地间，
忽如远行客 (Green green the cypress on the mound, piled piled the stones in the stream. A human life between heaven and earth, as sudden as a guest traveling far). The Nineteen Old Poems establish much of the Chinese vocabulary of mortality; this line is the one most frequently reused.
