Sixty years ago I knew everything now I know nothing education is a progressive discovery of our own ignorance.

The only time you really live fully is from thirty to sixty. The young are slaves to dreams the old servants of regrets. Only the middle-aged have all their five senses in the keeping of their wits.

I remember things that happened sixty years ago but if you ask me where I left my car keys five minutes ago that's sometimes a problem.

There are three hundred and sixty-four days when you might get un-birthday presents and only one for birthday presents you know.

We Americans are the best informed people on earth as to the events of the last twenty-four hours we are the not the best informed as the events of the last sixty centuries.

You can take no credit for beauty at sixteen. But if you are beautiful at sixty it will be your own soul's doing.

You can take no credit for beauty at sixteen. But if you are beautiful at sixty it will be your soul's own doing.

For every minute you remain angry you give up sixty seconds of peace of mind.

Study until twenty-five investigation until forty profession until sixty at which age I would have him retired on a double allowance.

The secret of long life is double careers. One to about age sixty then another for the next thirty years.