I've always thought he must be a great guy all around, and these words prove it.

He did not know how prophetic his words would prove.

Over the course of the war, these words would prove prophetic.

I little thought how true their words would prove.

I need not mention the Renaissance, the very word proves my case.

Even Stalin couldn't have known how true his words would prove to be.

Those words proved to be much more that plain fighting talk.

You do not know a thing about it, she said, as your own words have just proved.

The written word has proved a popular vehicle as well.

The last word has proven to be the most difficult to interpret.