Bodhi Tree

I like to think of this Tree of Knowledge as the Bodhi Tree under which
the spiritual teacher Buddha achieved enlightenment. I’ve already
said our physical universe is a self-contained set of interacting logical
ideas. So, let me start at the top of these roots with ‘ideas’. I also place
philosophy at the top next to ‘ideas’. A philosopher is a lover of wisdom.
Wisdom is the sum of scholarly learning through the ages, and it covers
all of these roots.