The beautiful 80/20 Rule:

Health:                   80% eating, 20% exercising

Wealth:                  80% habits, 20% math

Talking:                  80% listening, 20% speaking

Learning:               80% understanding, 20% reading

Achieving:             80% doing, 20% dreaming

Happiness:            80% purpose, 20% fun

Relationships:       80% giving, 20% receiving

Improving:             80% persistence, 20% ideas

(Thank you Nicky.)