Getting the Holy Spirit at Pentecost

The disciples were overjoyed when they saw the lord again. Jesus said, receive the holy spirit if you forgive any one's sins. If you do not forgive them, they are not forgiven. Feels very sermon on the mounty to me. Says, this thing that you're doing, you're gono, it's going to have to begin with forgiveness. It's got to be coaded in grace, received the holy spirit. They are not much different than you av i.