### Clue: Enduring quality of good person in morning I note, admirable from outset (7)
### Answer: STAMINA 
 ### Explanation: Definition: Enduring quality

**St.** (saint, so "good person") +** A.M.** (ante meridiem, so "in morning") + **I** + **N** (note) + **A**(dmirable) [*from the outset*]