Running teaches us that the more you run, the easier it is to run. Forces accumulate as you exercise. Running teaches us that if we overcome pain and lack of strength, a second wind will open. Running teaches us that strenuous effort is a source of joy and energy.
You should love running, not the result. Loving running is like loving sex, and loving the result is like being glad that sex is over. When you run, enjoy the process, and do not think about the finish.
Sport teaches us to accept pain. When you exercise, your muscles grow and ache all the time. You get used to it over time, and it makes you strong. Strength is humility with pain.
Running trains in us the power of the spirit. You think you're running because you have a strong body? No. The body runs because its willpower tells it to run. Orders to run through not want, pain and lack of forces.
Overkill is necessary in order to then easily and without stress run on the "three" or "good". Once I ran 10 km, and then for months I humbly ran 3-4 km and enjoyed life.
The first stage of the journey is difficult for you. The second is easy and sublime. In the third stage, you attain dispassion and enlightenment. One who has reached the third stage can run endlessly.
In fact, Running, as an element of physical education, is a process of controlled time-limited stress, allowing to develop immunity to stress uncontrollable and accidental.
When you do something, for example, run, do not think about the finish, enjoy the movement. Movement is life. If you start thinking about the finish line, it will create fear and drain your energy.