"My good fellow," retorted Mr. Boffin, "you have my word; and how you can have that, without my honour too, I don't know. I've sorted a lot of dust in my time, but I never knew the two things go into separate heaps. "
In my teenage years I was put off the idea of a career in flying, because I'd convinced myself that you had to be a boffin with degrees in maths and physics, which were my weakest subjects.