There is no 'the truth','a truth' - truth is not one thing, or even a system. It is an increasing complexity. the pattern of the carpet is a surface. When we look closely, or when we become weavers, we learn of the tiny multiple threads unseen in the overall pattern, the knots on the underside of the carpet
I'm at the point in my life where I don't want to work as hard. Actually, I've had to take a good hard look at workaholism and it's effect on one's mental health.
If you must look back, do so forgivingly. If you will look forward, do so prayerfully. But the wisest course would be to be present in the present gratefully.