vir-, viri-, virtu-

1. The inherent ability or potential to come into existence.
2. Essential nature or being, apart from external form or embodiment.
3. A virtual (as opposed to an actual) thing, capacity, etc.; a potentiality.

In effect even if not in fact.
2. Almost but not quite.
3. In respect of essence or effect, apart from actual form or specific manner; as far as essential qualities or facts are concerned.

1. The quality of being morally good or righteous.
2. A particular quality that is morally good.
3. A particular quality that is good or admirable, but not necessarily in terms of morality.
4. "Moral life and conduct, moral excellence," vertu; from Anglo-French and Old French vertu, from Latin virtutem, "moral strength, manliness, valor, excellence, worth", from Latin vir, "man".

The seven cardinal virtues (about 1320) were divided into the "natural" (justice, prudence, temperance, fortitude) and the "theological" (hope, faith, charity).

1. Destitute of efficacy or excellence; ineffective, worthless.
2. Destitute of virtue or moral goodness; immoral, vicious.

A reference to or characteristic of a virtuoso: "They loved her virtuosic performance."

Manly qualities or character.

In a virtuous manner; according to or in conformity with moral laws; uprightly, righteously; chastely, purely.

1. Originally, distinguished by manly qualities; full of manly courage; valiant, valorous.
2. Possessing or showing virtue in life and conduct; acting with moral rectitude or in conformity with moral laws; free from vice, immorality, or wickedness; good, just, righteous.
3. Having or showing moral goodness or righteousness.
4. Not having sexual intercourse with anyone except a partner in marriage, especially a husband.

Virtue is stronger than a battering ram.

Virtus, "virtue", here may also be interpreted as "valor" or "heroism".

Valor lies in action.

Action, not merely with words. How about "Action speaks louder than words"?

Manhood rouses one's strength.

Strength has joined [us] and death will not separate [us].