There are no accidents, all things have a deep and calculated purpose; sometimes the methods employed by Providence seem strange and incongruous, but we have only to be patient and wait for the result: then we recognize that no others would have answered the purpose, and we are rebuked and humbled.
There are highly gifted spirits who are always infertile simply because, owing to a weakness in temperament, they are too impatient to wait out their pregnancy to term.