>For everything God created is good
Yes, because God is perfect and his creations are perfect - at the time they are created. However, man (Adam), the first man, was and had to be given a CHOICE, thus freedom of will, to obey God or not. If he chose not to obey, which he ultimately did, sin would enter into the world. Man's blood became corrupted by sin. Man lost his connection with God, via the Holy Spirit. That's why we needed a Savior. With Jesus Christ's ascension the Holy Spirit was then released back to humanity. You must believe and confess (Romans 10:9&10) and be saved, thus gaining back the Holy Spirit and connection with God that was lost by the first Adam.