3rd Nephi18:12-18
And I give unto you a commandment that ye shall do these things. And if ye shall always do these things blessed are ye, for ye are built upon my rock. But whoso among you shall do more or less than these are not built upon my rock, but are built upon a sandy foundation; and when the rain descends, and the floods come, and the winds blow, and beat upon them, they shall fall, and the gates of hell is already open to receive them. Therefore blessed are ye if ye shall keep my commandments, which the Father hath commanded me that I should give unto you. Verily, verily, I say unto you, ye must watch and pray always, lest ye be tempted by the devil, and ye are led away captive by him. And as I have prayed among you even so shall ye pray in my church, among my people which do repent and are baptized in my name. Behold I am the light; I have set an example for you. And it came to pass that when Jesus had spake these words unto his disciples, he turned again unto the multitude and saith unto them: Behold, verily, verily, I say unto you, ye must watch and pray always lest ye enter into temptation; for Satan desireth to have you, that he may sift you as wheat.
If we don’t stand on the foundation of Christ we will be blown away from him. He gave a warning to the ministry about his teachings. Sacraments are a closed sacrament that can only be taken by members who are baptized into Christ’s Church. We cannot change how we perform sacrament or who we give it to. We must always follow Christ’s teachings.