The glory of the world is transitory, and we should not measure our lives by it, but by the choice we make to follow our personal legend, to believe in our utopias, and to fight for our dreams.
I think that, with age, people come to realize that death is inevitable. And we need to learn to face it with serenity, wisdom and resignation. Death often frees us from a lot of senseless sufferings.
Things pass, and the best we can do is to let them really go away. Getting rid of certain memories also means making some room for other memories to take their place.