You must have some vision for your life. Even if you don't know the plan, you have to have a direction in which you choose to go... You want to be in the driver's seat of your own life because if you are not, life will drive you.
You will never get to the irreducible definition of anything because you will never be able to explain why you want to explain, and so on. The system will gobble itself up.
Nobody really likes to be lectured a lot. And, therefore, if you want to be an effective person, what you don't do is scold the person publicly all the time.
If I want to understand something, I must observe, I must not criticize, I must not condemn, I must not pursue it as pleasure or avoid it as non-pleasure. There must merely be the silent observation of a fact.
If some student came up and wanted to know where to study painting, you'd want to suggest someplace, but there's no place. I wouldn't know where to send a student to study.