Life is a great teacher. And the older you get, hopefully, the more you realize how much more you still need to learn.
If we apply our hearts to gaining wisdom, we can actually become even wiser than our teachers. But first, appreciate the wisdom your teachers have gained.
God has established the laws of natural realm and the laws of the spiritual. Paying heed to these laws can keep you from serious harm — the law of gravity for example.
I have met so many Christians with little to no understanding of spiritual laws, and who are bewildered and despairing because of those unknown laws at work within their every day life.