2 adverbs to describe how to zeal

When I put up at the Hôtel de Londres, from which I am writing, I had to run no gantlet between a double line of solemn-looking, white-cravated waiters; yet I have only to ring my bell, to be attended to with promptitude, with zeal, nay, con amore.

Sylla, my years have taught me to discern Betwixt ambitious pride and princely zeal; And from thy youth these peers of Home have mark'd A rash revenging humour in thy brain.

2 adverbs to describe how to  zeal  - Adverbs for  zeal