In this way, we will know that we are of the truth, and we will commend our hearts in his sight
Other versions
King James Version
And hereby we know that we are of the truth, and shall assure our hearts before him. English Standard Version
By this we shall know that we are of the truth and reassure our heart before him;New International Version
This then is how we know that we belong to the truth, and how we set our hearts at rest in his presence