I certainly saw science as a kind of calling, and one with as much legitimacy as a religious calling.
At certain historic moments, grandparents took on childrearing responsibilities. In many cultures, they still do. Chinese grandparents who are able to retire at 55 are seen all over Beijing bouncing grandbabies. In the United States, we can't afford to retire at 55.
More than this, even in those white men who professed religion we found much inconsistency of conduct. They spoke much of spiritual things, while seeking only the material.

