If you happen to meet a crocodile, don't stick your head in its mouth. Every now and then, and who knows the reason, people ignore this advice, which is sad because they die, but very stupid because they were warned. They had a choice. The moral of the story is this - you can't afford to be stupid. There are crocodiles.
Just as the results of inebriety are most painful to the habitually sober, and just as the greatest saints have often been the greatest sinners, so, when the first class brain does something stupid, the stupidity of that occasion is colossal.
I am so stupid that I cannot understand philosophy; the antithesis of this is that philosophy is so clever that it cannot comprehend my stupidity. These antitheses are mediated in a higher unity; in our common stupidity.