That water which wall from some Alpine height is dashed, broken,
and will murmur loudly, but grows limpid by its fall.
[It., Quell' onda, che ruina
Dalla pendice alpina,
Balza, si frange, e mormora
Ma limpida si fa.]
— Metastasio (pseudonym of Antonio Domenico Bonaventura Trapassi Pietro)
Purity