If learning is easy, it's here today and gone tomorrow...like footprints in the sand on a beach

Excerpt:

While studying I misjudged the depth of my knowledge. I confused familiarity with knowing.

When you passively consume information like reading books or watching courses and things start to make sense we often tell ourselves: “Oh, easy. I understand this. Got it.”

But it’s wrong to think you can access something from your memory if you can recognize it.