My number one goal was not getting 'A's' - and I proved it. I was a 'C' student. You have to be ready to learn. If you're not interesting in learning, it doesn't work. As I grew older and wanted to learn and desperately wanted inside information, learning was a lot easier.
Although the whole man partakes of this grace, it is first and most appropriately in the soul and later progresses to the body, inasmuch as the body of the man is capable of the same obedience to the will of God as the soul.