Doubt of whatever kind can be ended by action alone.

Brain power improves by brain use just as our bodily strength grows with exercise. And there is no doubt that a large proportion of the female population from school days to late middle age now have very complicated lives indeed.

Nearly all the powerful people of this age are unbelievers the best of them in doubt and misery the most in plodding hesitation doing as well as they can what practical work lies at hand.