is,

Moral excellence.
It comes from a Latin word meaning;
Manliness, strength, excellence, character, worth, courage.

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Peter said,
And beside this, giving all diligence, add to your faith virtue; and to virtue knowledge; And to knowledge temperance; and to temperance patience; and to patience godliness; And to godliness brotherly kindness; and to brotherly kindness charity.
2 Peter 1:5-7