If you replace the word “heartwood” with “wood suitable to make long-lasting furniture,” you can get the idea. In that analogy, a person trying to find such wood thinks banana trees are suitable because they are straight; it seems they are good for making furniture. But, of course, one cannot make furniture with a banana tree because it does not have a “strong core.”
- We attach to rupa (mind-made versions of external rupa like sights, sounds, tastes, etc.) only because we believe they have value.
- However, once one understands PS/Tilakkhana, one can see that those mind-made versions of external rupa have no substance or value.
