We are all too much inclined, I think, to walk through life with our eyes shut. There are things all round us and right at our very feet that we have never seen, because we have never really looked.

I have had the feeling that a properly constructed flying-machine should be capable of being flown as a kite; and conversely, that a properly constructed kite should be capable of use as a flying-machine when driven by its own propellers.

Sometimes we stare so long at a door that is closing that we see too late the one that is open.

I have always considered myself as an Agnostic.

One day there will be a telephone in every major city in the USA

When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us.

There are two critical points in every aerial flight-its beginning and its end.