Problems are the price of progress. Don't bring me anything but trouble. Good news weakens me.

Industry prospers when it offers people articles which they want more than they want anything they now have. The fact is that people never buy what they need. They buy what they want.

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.

here is a great difference between knowing a thing and understanding it. You can know a lot and not really understand anything.

It is the 'follow through' that makes the great difference between ultimate success and failure, because it is so easy to stop.

If I have had any success, it's due to luck, but I notice the harder I work, the luckier I get.

The person who doesn't know something can't be done will often find a way to go ahead and do it.