Use "credence" in a sentence

1. What this doesn't do... _.is add any credence to his alibi that the old man was on the scene.

En tout cas, ça ne rend pas crédible son alibi du vieillard.

2. The writer of The Epistle of Polycarp refers to Tobit to give credence to the idea that the giving of alms has power to deliver the giver from death.

L’auteur de l’Épître de Polycarpe se réfère à Tobie pour accréditer l’idée selon laquelle celui qui fait l’aumône sauve son âme.