"We having the same spirit of faith, according as it is written, I believed, and therefore have I spoken; we also believe, and therefore speak."
2 Corinthians 4:13

In this verse, the word therefore is used to combine the two parts of faith.

If we're going to believe something, we also have to speak it. Believing alone doesn't make it come to pass. It has to be combined with saying what God's Word says.

We can spend a lot of time feeding on God's Word, but what we continually say is what we'll ultimately believe.