What I urge is that you so learn to control the machinery as to live with 'day-tight compartments' as the most certain way to ensure safety on the voyage. Touch a button and hear, at every level of your life, the iron doors shutting out the dead yesterdays and the unborn to-morrows.
Common sense in matters medical is rare, and is usually in inverse ratio to the degree of education.
The trained nurse has become one of the great blessings of humanity, taking a place beside the physician and the priest, and not inferior to either in her mission.