It's not the end of the world at all," he said. "It's only the end for us. The world will go on just the same, only we shan't be in it. I dare say it will get along all right without us.

Differential equations won't help you much in the design of aeroplanes - not yet, anyhow.

The happily married man with a large family is the test pilot for me.

I never was in such a horrid office . . . It's not very nice to be where people are being swindled all day long, is it?

It has been said that an engineer is a man who can do for ten shillings what any fool can do for a pound; if that be so, we were certainly engineers.

You cannot argue stupidity, you just have to accept it patiently as one of those things.

If I have learned one thing in my 54 years, it is that it is very good for the character to engage in sports which put your life in danger from time to time. It breeds a saneness in dealing with day to day trivialities which probably cannot be got in any other way, and a habit of quick decisions.