If it doesn't add value, it's waste.

Thinking always ahead, thinking always of trying to do more, brings a state of mind in which nothing is impossible. The moment one gets into the 'expert' state of mind a great number of things become impossible.

When you get a whole country - as did ours - thinking that Washington is a sort of heaven and behind its clouds dwell omniscience and omnipotence, you are educating that country into a dependent state of mind which augers ill for the future.

I regarded our progress merely as an invitation to do more - as an indication that we had reached a place where we might begin to perform a real service.

Quality means doing it right when no one is looking.

Economy has frequently nothing whatever to do with the amount of money being spent, but with the wisdom used in spending it.

If I'd listened to customers, I'd have given them a faster horse.