Rabbenu Bachya continuously repeats the idea that the result of true Bitachon in H'shem is a
"soul at rest and a heart at ease." One who truly trusts in H'shem knows that whatever decree may come his way H'shem is fully in charge and he is completely calm knowing H'shem will take care of him in this world and the next.
pg 449
Why is learning Torah even for the wrong reasons accepted and praised? Because by learning Torah, doing Mitzvot, and being humble even for ulterior motives, he will eventually come to do it for its own sake.
Prologue to gate Four, Chapter 2 pg 121/122
