Yoga Sutra 3.13 Changes in properties, characteristics and states
Tuning into the changes in your senses, external world and inner life.
Everything that exists, including you and your internal world, manifests along those three dimensions: properties, characteristics, and condition.Can you notice the changes in the characteristics of your physical body over time?
Can you tell that your ideas and thoughts have changed? Are you aware of how your emotions change as well as why?