I studied 27 SCIENCES & TOPICS
for more than 10,000 hrs:
I filled up many notebooks.
This year I'm sharing (for the first time)
excerpts from my notebooks here.

I studied for more than 10,000 HOURS:
27 SCIENCES & TOPICS.
I filled up many notebooks.
This year I'm sharing (for the first time)
excerpts from my notebooks here.

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