As a matter of fact is an expression that precedes many an expression that isn't.

As a matter of fact, is an expression that precedes many an expression that isn't

Everyone rises to their level of incompetence.

It's better to have loved and lost than to have to do forty pounds of laundry a week.

An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.

If you don't know where you're going, you will probably end up somewhere else.