Nourish liver in spring, heart in summer, lung in autumn and kidney in winter. Spring hair, long summer, autumn harvest and winter storage. Spring is sunny, summer is Lao Yang, autumn is cloudy, winter is nourishing liver in spring, heart in summer, lung in autumn and kidney in winter. Spring hair, long summer, autumn harvest and winter storage. Spring is sunny, summer is Lao Yang, autumn is cloudy, and winter is cloudy. Green enters the liver meridian, red enters the heart meridian, white enters the lung meridian and black enters the kidney meridian. Sunny in the morning, Lao Yang at noon, cloudy in the afternoon and cloudy at night. Spring, early to bed and early to rise, summer, late to bed and early to rise, autumn, late to bed and late to rise, winter, early to bed and late to rise.