Know thyself to know others, for heart beats like heart

Similar sayings:

Beat your gong and sell your candles Beat your gong and sell your candles
If you beat spice it will smell the sweeter If you beat spice it will smell the sweeter
Before you beat a dog, find out who its master is Before you beat a dog, find out who its master is
Beat your drum inside the house to spare the neighbors Beat your drum inside the house to spare the neighbors
Easy to know men’s faces, not their hearts Easy to know men’s faces, not their hearts

Chinese sayings and proverbs