Our Sages said, ‘Whoever accepts the yoke of Torah has the yoke of livelihood and government removed from him’, and since they didn’t say ‘whoever learns Torah’, but rather ‘whoever accepts the yoke of Torah’, we see that it is not enough to learn Torah, one has to commit himself completely to it and not leave it for anything, like an ox plowing a field. If he does this, even if he has the yoke of livelihood or heavy taxes on him, they will be removed from him, and surely Hashem will cause no more to be put on him.