When the heart becomes quieter, the energy becomes purer. Such energy is like tea leaves in a cup; when they are submerged in hot water, the fragrance of tea will permeate the air.
心越来越静，气越来越纯，
如杯中的茶叶一样，
只有用热水压住茶叶，
茶香自然溢出。
– Master Jun Hong Lu, Words of Wisdom Volume 8
