"INVERT, ALWAYS INVERT!"
"“Invert, always invert!” approach can be
applied generally to problem solving in almost
any field of thought. It seeks to strive for good
judgment mainly by collecting instances of bad
judgment and then thinking of ways to avoid
such situations."
https://www.vltavafund.com/data/dopisy/dopis_80_en.pdf
". If a person
recognises clearly what behaviours should lead
to bad outcomes, and if one succeeds in
avoiding them, then he or she should increase
the likelihood of good outcomes. Probability is
quite sufficient, for certainty is not to be sought
in investing."