Heather needed to convince her only living daughter of the truth.

How much more evidence do we really need to convince us?

I need some time to convince her to go away for a few days.

But Brown needs to convince his party this will work.

He needed to convince her there would be no more lies.

"We need to convince our society that you can change president and still have stability," he said.

Goodness knew the third member of their team would be the one she'd need to convince the most.

You need to convince him that your shop offers the best deal.

We need to convince the other economic powers, too, and make them want to support us.

They are the ones we need to convince, not ourselves.