Excelsior Aim at higher things still. It is the motto of the New York State, and has been made popular by Longfellow's poem so named. Used also as the synonym of super-excellent.

When I was a boy, all my father's medicines came packed with fine square cross-sectioned strands of
pine, which was called "excelsior". i could not understand the Longfellow poem: Shades of night were
falling fast, when through an Alpine village passed a youth whose banner bore this strange device:
Excelsior"