From Chapter 19 ("You Can't Get Off the Train") of No Beginning, No End: The Intimate Heart of Zen by Jakusho Kwong:

... What are any of us to do with the content of our mind? How can each of us work with our own situation? This is the practice of meditation.

Each one of us holds the very same wish and aspiration: to be able to work with the difficulties that life brings us, based on the awareness we cultivate through our practice. As you continue your journey and your practice grows, you will see that there's a beginning and a middle and an end that, in reality, are all the same. For convenience, or because we are speaking about it, we separate this One, this Same, into three parts, but actually it is just One. In time you will discover this for yourselves, unless you become scared and run off—which, believe it or not, happens frequently. But what comes up in our meditation is not new. It's old stuff, and you can only run off so many times before you realize that there's no need to run anymore. For many people that's the moment when their practice begins to engage. ...

^z - 2017-04-25