For him. He thinks that it is to blame or criticize the impetus, we have developed the capability, and every negative comment will cause a change to the better.
For him He thinks criticism Or the reproof is the driving force that enables us to develop the capabilities and all the negative reviews. Will cause a change for the better always.
For him, he thought the criticism. Criticism is driven or that we can develop ability and every comment in a negative way. Is causing a better change always .