And if people of either party are serious about change, they better act fast.

But when that was done, he had to act fast.

In part, that is because many had to act fast.

There is much to do and we have to act fast.

But you'll have to act fast because these sales may only last an hour.

Perhaps the Senate can give him something positive to point to, although it will have to act fast.

If progress is to be made, the nation must act fast.

If she didn't act fast, all of her plans were going to fall apart.

In any event, act fast: the season is about to end.

If you have symptoms of a heart attack, act fast.