We search through historical data looking for anomalous patterns that we would not expect to occur at random. Our scheme is to analyze data and markets to test for statistical significance and consistency over time. Once we find one, we test it for statistical significance and consistency over time. After we determine its validity, weask, ‘Does this correspond to some aspect of behavior that seems reasonable?’
"The world is always going to be dangerous, and people are always going to be good and bad."
The best fertilizer is the gardener's shadow.
Science is simply common sense at its best—that is, rigidly accurate in observation, and merciless to fallacy in logic.  
I have nothing to offer but blood, toil, tears, and, sweat.