Rishe has kept a certain activity of hers secret from Arnold, but when he appears right in front of her, there's no escaping his notice. Later she learns that Michel believes Arnold fulfills every condition necessary to conduct a particular experiment.
I'm certain that it's his 
intention at work there.
من الواضح أنّ نيّته تتجلّى في هذه النّقطة
Sé que sus intenciones eran nobles.
Sé que sus intenciones eran nobles.
montre ses véritables intentions.
Sono sicuro che lo ha fatto per questo.
и уверен, что она идёт с его подачи.