A deep well and a torn water-drawing vessel. All that was learned and heard becomes futile.

Imagine trying to draw water from a deep well, but your bucket is torn. No matter how much water is in the well, you can't bring any up, right? This couplet uses a beautiful image to teach us an important lesson. The 'deep well' represents all the knowledge and wisdom we gain, everything we learn and hear. But if our 'bucket' – our mind or memory – is like a torn bag, unable to hold onto what it receives, then all that precious learning becomes useless. It's like pouring water into a sieve. So, it reminds us to not just acquire knowledge, but also to truly absorb and retain it, so it can actually benefit us.