Self-discipline, although difficult, and not always easy while combating
negative emotions, should be a defensive measure. At least we will be able to prevent the advent of negative conduct dominated by negative emotion. That is 'shila', or moral ethics. Once we develop this by familiarizing ourselves with it, along with mindfulness and conscientiousness, eventually that pattern and way of life will become a part of our own life.
The discipline of colleges and universities is in general contrived, not for the benefit of the students, but for the interest, or more properly speaking, for the ease of the masters. Its object is, in all cases, to maintain the authority of the master, and whether he neglects or performs his duty, to oblige the students in all cases to behave toward him as if he performed it with the greatest diligence and ability.
Until you have the inner discipline that brings calmness of mind, external facilities and conditions will never bring the joy and happiness you seek. On the other hand, if you possess this inner quality, calmness of mind, a degree of stability within, even if you lack the various external factors that you would normally require to be happy, it will still be possible to live a happy and joyful life.
What is the next step, the practical application? —I will answer that the absolutely vital thing is to consolidate your understanding, to become capable of enjoyment, of living in the present, and of the discipline which this involves. Without this you have nothing to give.
All these disciplines are for the purification of the heart. And as soon as it is pure, all truths flash upon it in a minute; all truth in the universe will manifest in your heart, if you are sufficiently pure.
It has been said that the great scientific disciplines are examples of giants standing on the shoulders of other giants. It has also been said that the software industry is an example of midgets standing on the toes of other midgets.
Mind you, there is no value in learning. You are all mistaken in learning. The only value of knowledge is in the strengthening, the disciplining, of the mind.