This is an idea that advocates thinking of larning and working. Tago: When you make something, when you get your hands dirty, the defects in your understanding instantly come to light. By making something, suddenly you're your mental model. The concept of a table collapses, and you have to build a better model with all this extra detail.
Don’t just passively consume huge volumes of information that soon gets forgotten. Instead, use what you’re learning to make new things. Applying what you learn in tangible projects not only helps the learning stick, it allows you to get feedback and incorporate the thinking of others to make it even better.