perhaps blasé, but the Tao. it is as simple as it is unknowable, from the highest levels of philosophy down to action-items in your everyday life. the Tao that can be described is not the true Tao, so you must search yourself :) to simply be smarter (but maybe not wiser), the art of learning by josh waitzkin. if you are interested in optimizing anything, why not learn how to optimize optimization?
The Art of Learning: An Inner Journey to Optimal Performance
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