It is originally in Italian. It is from Act I of his Opera, Ezio, HWV 29. It is sung by the charachter Varo and is called "Se un bel'ardire". The opera premiered in 1732. The aria was adapted to English words by William Hills
the Messiah
because
Handel wrote music because it was his desire and he followed his dreams
Handel wrote Music for the Royal Fireworks in 1749.
Yes.
40
He was deeply religious. But he did not write messiah.
Messiah
Yes, he can.
13
Operas, and oratorios
the piano and the violin