Whoever seeks joy in himself will be sad, but whoever seeks joy in God will always be joyful because God is forever.
(In Io. Ev. XIV, 2)
God has to be searched and invoked in the secret of a rational soul, which is called the interior man.
(De magistro 1)
Mary believed, and what she believed was realized in her. Let us also believe, so that what she realized is also beneficial to us.