I feel that it’s crucial to have a clear recognition of the value of your objective. That's the important thing. Recognizing that your objective is worthy, because it involves others' welfare or the general well-being of the community, gives you the determination to pursue it.
Developing inner values is much like physical exercise. The more we train our abilities, the stronger they become. The difference is that, unlike the body, when it comes to training the mind, there is no limit to how far we can go.