Another matter, “all matters are wearying” – even matters of Torah exhaust a person. In the beginning, a person begins to study Torah and, they purify that which [he ruled] impure, and they render impure that which [he ruled] pure, and he does not know through all this exhausting of his strength; ultimately, he will produce a fortiori inferences, verbal analogies, purity and impurity, and the prohibited and the permitted.82Although initially experienced scholars will reject his rulings, and he might feel that his efforts are for naught, ultimately he will thereby learn how to produce accurate rulings.