They are, in short, persons who have subjected themselves to the discipline necessary to learn a vocation well. That discipline, along with the skills they bring to their job, whatever its magnitude, stands them in good stead in all aspects of their lives. The individual understands that his or her work carries obligations, and willingly accepts whatever they may bring. And mine aren't going to. Accidents don't just happen of themselves . . . .
Accidents happen because men are foolish, and reckless, and negligent, and lazy.
Sometimes, because there isn't enough money for what they want to do. One crash in a hundred may have been because God willed it so. Not more than that . . . . Sir David has seen that we've got enough money for this trip. If God has set his mind on it, we shall have a crash.