It was the flexibility, the originality, and the independence of thought — combined, of course, with our vast resources — that made American business grow so rapidly. If the seeds of growth are made sterile, if men become passive followers instead of developing qualities of leadership — and courage — we may find someday that our way of life has been superseded.

You must do the thing you think you cannot do.

One thing life has taught me: if you are interested, you never have to look for new interests. They come to you. When you are genuinely interested in one thing, it will always lead to something else.