Associate with people who are likely to improve you. Seneca
To improve is to change, so to be perfect is to have changed often. Winston Churchill
Anyone who tries to improve the lives of animals invariably comes in for criticism from those who believe such efforts are misplaced in a world of suffering humanity. Jane Goodall
Before preparing to improve the world, first look around your own home three times. Chinese Proverb
Before you plan to improve the world, look around your own house three times. Chinese Proverb
The cheapest way to improve your looks is to wear a smile. African Proverb