We have a lot of people revolutionizing the world because they've never had to present a working model.
I think that the greatest education in the world is the education which helps one to be able to do the right things at the time it has to be done.
You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.
Action without intelligence is a form of insanity, but intelligence without action is the greatest form of stupidity in the world.
If you want to kill any idea in the world, get a committee working on it.