Health preservation in a thousand ways and ten thousand ways, the key is to maintain a balanced mindset. Anger harms the liver, excessive joy injures the heart, and feelings of sadness, worry, fear can damage the very root of life. To live well, one must not be petty; being good at controlling anger can lead to boundless longevity. A broad mind can accommodate much like a boat sailing smoothly, bringing health and longevity for over a hundred years. To be healthy and happy, learn to find joy within yourself. A virtuous wife means fewer illnesses for her husband; a good wife is better than fine medicine.