Jesus said that you must be Born Again of water and the Holy Spirit to see and enter the kingdom of Heaven.

"Jesus answered and said unto him, Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God." -John 3:3

"Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God." -John 3:5

"He that believeth and is baptized shall be saved; but he that believeth not shall be damned." -Mark 16:16

"Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost." -Acts 2:38

Have you been baptized in water for the Remission of your Sins and received the Holy Spirit?