See in Reader
401 B
401 B
approved by God to be trusted
Paul was tested and proven trustworthy by God.
We speak
Paul is referring to preaching the gospel message. (See: rc://en/ta/man/translate/figs-explicit)
who examines our hearts
The word "hearts" is a metonym for a person's desires and thoughts. Alternate translation: "who knows our desires and thoughts" (See: rc://en/ta/man/translate/figs-metonymy)