Once upon a time, Matt understood for himself what does his long-term education and PhD means in the end. He also illustrated all that in drawings.
I am publishing this work because it shows how every person using simple visuals can make good use of visual images. The thought is deep and worth of citing it. I am translating it.
Imagine that this circle represents all knowledge of all mankind.
By the time we finish primary school, we have this amount of knowledge:
When we are done with high school, we know this much:
At university we deepen our knowledge in core subjects and also obtain a specialization: