Enthusiasm is the sparkle in your eyes, the swing in your gait.

Those who believe they can do something and those who believe they can't are both right.

The most difficult job is the one that you never get started on.

Under pressure, the mouth speaks when the brain is disengaged, and, sometimes unwittingly, the gearshift is in reverse when it should be in neutral.

Most people spend more time and energy going around problems than in trying to solve them.

If you need a machine and don't buy it, then you will ultimately find that you have paid for it and don't have it.

People can have the Model T in any color – so long as it’s black.