strength of soul, n.All

Strength of soul (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠shown only by fighting passion with the will's own weapons — firm judgements of good and evil — not by setting one passion against another.