Nine in the third place means:
When change is necessary, there are two mistakes to be avoided. One lies in excessive haste and ruthlessness, which bring disaster. The other lies in excessive hesitation and conservatism, which are also dangerous. Not every demand for change in the existing order should be heeded. On the other hand, repeated and well-founded complaints should not fail of a hearing. When talk of change has come to one's ears three times, and has been pondered well, he may believe and acquiesce in it. Then he will meet with belief and will accomplish something.