virtue > occult power; virtue (see 405.8) keen > sharp
6 That mortal puissance might not withstand:
puissance > strength, power
7 "Nothing on earth might always happy be."
happy > lucky; happy (the palmer cites a proverb)
8 Great hazard were it, and adventure fond,
adventure fond > foolish risk
9 To lose long gotten honour with one evil hand.
hand > action, stroke
301.11