When I feel like giving up, I look at plants. Have you ever seen anything more tenacious than a plant?
As part of a science project, Julia germinated some bean seeds. She chose 2 to put into a little soil and place on the window sill. Every school child does this. But her wonder at its individual life, as it shoved its head above the dab of soil, her exclamations of "It's so cute!" as the seed leaves pushed from the seed -- how refreshing!