The graveyard is the richest place on the surface of the earth because there you will see the books that were not published, ideas that were not harnessed, songs that were not sung, and drama pieces that were never acted.
Clearly the path of mitzvot is a form of meditation. The intention to act impeccably requires complete dedication and unwavering attention. I was also impressed with LUzzato's insistence that mitzvot practice is joyful.