In theory there is no difference between theory and practice. In practice there is.

I knew I was going to take the wrong train, so I left early.

I couldn't tell if the streaker was a man or a woman because it had a bag on it's head.

If you don't set goals, you can't regret not reaching them.

You should always go to other people's funerals, otherwise, they won't come to yours.

Congratulations. I knew the record would stand until it was broken.

You can't think and hit the ball at the same time.