a thin, continuous flow of liquid or a tiny stream

Pang Juan (-342 BC), military leader and political strategist of the School of Diplomacy during the Warring States Period

a tiny trickle of funds, resources, or effort, often implying accumulation

Liu Juanzi, a legendary alchemist and creator of magic potions

every drop returns to the public good; not one penny is misused

A negligible force or tiny contribution.

extremely small, minor, or insignificant in scale or importance

to choose an auspicious day

Liu Juanzi's medical recipes bequeathed by the ghost Huang Fugui