Reprinted from slides at CUMOT2019.
A more detailed description of what we used to call [Rootless Knowledge
fluffy and drifting on the surface of the water.
The earth root (of a tooth, hair, etc.) is brought down to the earth.
Related Keywords - one's feet on the ground - frivolous - frivolous - have roots in
relevance - Seeds that fell on stony ground sprouted quickly but died because they had no roots
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