I think the idea that death is not the end, that your dog's just gone to live on the farm, is limiting. Thoughts like that prevent you from making the most of the time that you have.
At every party there are two kinds of people - those who want to go home and those who don't. The trouble is, they are usually married to each other.
The thing that lies at the foundation of positive change, the way I see it, is service to a fellow human being.