In this sullen apathy neither true wisdom nor true happiness can be found.
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.
Men often act knowingly against their interest.
All knowledge degenerates into probability.
Generally speaking, the errors in religion are dangerous; those in philosophy only ridiculous.
.. that a rule, which, in speculation, may seem the most advantageous to society, may yet be found, in practice, totally pernicious and destructive.