Tenzin Gyatso, 14th Dalai Lama Quote
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.
Beyond Religion: Ethics for a Whole World (ed. Random House, 2012) - ISBN: 9781446459263