When your mind is going hither and thither, discrimination will never be brought to a conclusion. With an intense, fresh and undelaying spirit, one will make his judgments within the space of seven breaths. It is a matter of being determined and having the spirit to break right through to the other side.

- Hagakure, Tsunetomo Yamamoto

There is enough in those three sentences to work on for a very long time…for me anyway.