swift and sure

fast and certain. (As with the flight of a well-aimed arrow.) The response of the governor to the criticism by the opposing party was swift and sure. The boxer's punch was swift and sure and resulted in a quick knockout and a very short match.

Common Names:

Name	Pronounced	Usage
WielisŁAw	vye-LEE-swahf	Polish
Saturn	SA-tərn (English)	Roman Mythology (Anglicized)
Hrodpreht	-	Ancient Germanic
Keen	[ki:n]
Darragh	-	Irish
Pen	PEN	English