References
^ Thomas AquinasThe Cardinal Virtues : Prudence, Justice, Fortitude, and Temperance by Thomas Aquinas (2005, Paperback) ISBN 9780872207455 (revised Jul 2016)^ (2013). The Cardinal Virtues: Prudence, Justice, Fortitude, And Temperance ECampus. ISBN 9780872207455 (revised Jul 2016)
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