Missing a train is only painful if you run after it! Likewise, not matching the idea of success others expect from you is only painful if that's what… - Nassim Nicholas Taleb

Missing a train is only painful if you run after it.

In his Treatise on Human Nature, the Scots philosopher David Hume posed the issue in the following way (as rephrased in the now famous black swan problem by John Stuart Mill): No amount of observations of white swans can allow the inference that all swans are white, but the observation of a single black swan is sufficient to refute that conclusion.

Restaurants get you in with food to sell you liquor; religions get you in with belief to sell you rules.

In the past, only some of the males, but all of the females, were able to procreate. Equality is more natural for females.