But the only way to maaster new material is to apply it to something more advanced, rather than just practice it. Rote takes you only so far; you can solve onl

But the only way to maaster new material is to apply it to something more advanced, rather than just practice it. Rote takes you only so far; you can solve only problems you understand already. But learning new kinds of problems expands your understanding of the limits of the concepts and techniques you already know.