Self confidence plays an important part in every aspect of man's life.
An enemy is indeed a precious teacher.
The proper use of our intelligence and knowledge is to effect changes from within to develop a good heart.
My desire to devolve authority has nothing to do with a wish to shirk responsibility.
I think the person who has had more experience of hardships can stand more firmly in the face of problems than the person who has never experienced suffering. From this angle then, some suffering can be a good lesson for life.
It is very important to generate a good attitude, a good heart, as much as possible. From this, happiness in both the short term and the long term for both yourself and others will come.