Please capitalize where necessary: but you say: if a man shall say to his father or mother, corban, (which is a gift,) whatsoever is from me, shall profit thee.
A: But you say: If a man shall say to his father or mother, Corban, (which is a gift,) whatsoever is from me, shall profit thee.

Please capitalize where necessary: payment: cash / credit. 100 % prepaid
A: Payment: Cash / Credit. 100 % prepaid

Please capitalize where necessary: environs: just 30 minutes from the beaches and the most beautiful historical villages in the region.
A: Environs: just 30 minutes from the beaches and the most beautiful historical villages in the region.

Please capitalize where necessary: 1973: first international connections to arpanet: norsar in norway and the university college of london. the connection went via satellite.
A:
1973: First international connections to ARPANET: NORSAR in Norway and the University College of London. The connection went via satellite.