Read your Bible.
>…let God be true, but every man a liar..
Romans 3:4
>For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.
>…ALL BE FULFILLED
Matthew 5:18
>Be not deceived; God is not mocked: for whatsoever a man soweth, that shall he also reap.
Galatians 6:7