Because he has the word of assurance from God himself!

For the first time he had lost some of his assurance.

He decided it was time for another form of assurance.

There is a sense of assurance about being back home.

That's the kind of assurance this country used to have.

And this guy didn't have the others' air of assurance.

There was a good deal of quiet assurance in his voice.

I hope that we will continue to value the statement of assurance.

There was something about these men, a quality of assurance, that made her believe they would kill, even in a public place.

"It's all right," I said, trying to give my words the kind of assurance he needed to hear.