Thought is not in the now. Unlearn to 'learn' how to be present.
Considerations
We need not stop thoughts, they will persist for as long as we have consented to be here... clouds and ripples pretending to reflections greater than ourselves. Our sovereign nature reveals itself when we embrace choice, and focus our attention on our own distinctive thought creations.
One more thing… some may believe that because many of our own thoughts are created by other wills… then this is a ‘deterministic’ point of view. It’s not, as it’s more like unexamined 'suggestions' masquerading as 'determinism'.
Give yourself a ‘present’