Literature Reference: 东京收粟帛，西市鬻金珠。—— 《效陶潜体诗十六首 十五》 白居易 In the east, grains and silks are harvested; in the west, gold and pearls are traded. Source from 'Sixteen Poems in Imitation of Tao Qian's Style, No. 15' by Bai Juyi.
收: To receive, to accept with grace.
粟: Annual herbaceous plant.
Meaning: Harvesting grains symbolizes diligence and the accumulation of wealth.