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

Great discoveries and improvements invariably involve the cooperation of many minds.

Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.

America is a country of inventors, and the greatest of inventors are the newspaper men

The nation that secures control of the air will ultimately control the world.

A man, as a general rule, owes very little to what he is born with - a man is what he makes of himself