Humans, in their wish to escape loneliness, made maneuvers that were very complex and hard to fathom。
For every expert there is an equal and opposite expert, but for every fact there is not necessarily an equal and opposite fact.
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.