From
张九龄's Tang poem 《
望月怀远》 (Gazing at the Moon, Thinking of the Distant One), opening couplet:
海上生明月,天涯共此时 - 'The bright moon rises over the sea; from the ends of the earth we share this moment.' A staple of Mid-Autumn poetry, evoking the moon as the one thing visible to everyone at once.