The great walks with the small without fear. The middling keeps aloof.
大的不怕与小的同游，居中的却远避之。
Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.
The behaviorist asks: Why don't we make what we can observe the real field of psychology?
In the world of algorithms, the simplest solution is often the best.
