A strong calm mind person is like a big tree full of Fruits. It provides Sweet Fruits, Protective Shade from rain and scorching Sun.
Children like to play under it and people take rest. It is shelter and Home of many birds.
A calm and balanced person is also like a big tree. People like to get associated with such type of persons and seek help and advice. They are loved by everyone.
They always enjoy a beautiful life and inspire others. Just like development of a big tree takes time, it also takes lot of time and control and serenity is the last lesson of culture
.i.e. if you have learned this art, nothing more is required.