If all you have is a hammer, everything looks like a nail.

You don't need a $30 hammer to nail in a picture.

One of the secrets of a long and fruitful life is to forgive everybody everything everynight before you go to bed.

If you only have a hammer, you tend to see every problem as a nail.

I do think a carpenter needs a good hammer to bang in the nail.

Always do one thing less than you think you can do.