take something on faith
accept on faith
on faith

I would not ask him to take me on faith.

The results were expected to be taken on faith alone.

The main focus of the book is on faith, reason and knowledge.

Why was everything either on faith or through experience I didn't have?

Maybe some things just had to be taken on faith.

We are asked to take the President's policy on faith.

The others, I knew, would rather have had to take something on faith.

The public will have to take the result on faith.

Is it not possible for you to believe anything on faith?

Still, there would be no point in taking too much on faith.