Consider data without prejudice.

None of my inventions came by accident. I see a worthwhile need to be met and I make trial after trial until it comes. What it boils down to is one per cent inspiration and ninety-nine per cent perspiration.

A diamond is a piece of coal that stuck to the job

My principal business is giving commercial value to the brilliant - but misdirected - ideas of others.

Everything comes to him who hustles while he waits.

Any large extension of the Government into business affairs - no matter what the pretense and no matter how the the extension is labeled - will be bound to promote waste and put a curb on our prosperity and progress.

Vision without execution is delusion.