It's hard, or you wouldn't like it. A lot of coaches really don't like what they're doing.
“But it is impossible to divide a cube into two cubes, or a fourth power into fourth powers, or generally any power beyond the square into like powers; of this I have found a remarkable demonstration. This margin is too narrow to contain it.”
“The modern minds in each generation are the critics who preserve us from a petrifying world, who will not leave us to walk undisturbed in the ways of our fathers.”