Master served tea to some of his guests, and asked Grasshopper to serve coffee to the others. He poured a little tea into every cup, then a little more, until the cups were filled

Grasshopper poured the coffee likewise. She had watched carefully

 

Master smiled

Grasshopper smiled

 

Master frowned

 

Grasshopper frowned

Tea continues to steep as it is poured

It needs to be the same strength in each cup

Coffee poured first is as strong as coffee poured last

We learn how

We discover why