Be Moderate in Thoughts and Actions
If you want to live a harmonious life, you must learn to be moderate in whatever you do. Extremism of any kind is dangerous to the body, mind and soul. The Bhagavad Gîtã declares (BG 6.16-17):
"[success in] Yoga is not for one who eats too much or eats too little, nor for one who sleeps too much or sleeps too little. To one who is moderate in eating, in recreation, in his efforts in work, and sleep and wakefulness, yoga is the destroyer of miseries."