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

The Wright brothers flew right through the smoke screen of impossibility.

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.

I am not interested in the past. I am interested in the future, for that is where I expect to spend the rest of my life.

Failures, repeated failures, are sign-posts on the road to achievement. The only time you don't want to fail is the last time you try something (and it works).

Every father should remember one day his son will follow his example, not his advice.

If a fellow wants to be nobody in the business world, let him neglect sending the mailman to somebody on his behalf.