The only way to know the truth is to read the Bible daily. If you can understand the truths of Scripture , you will be able to discern when a false teacher is saying something that goes against the truth. Three simple keys are: Follow his way, his truth, his life. The whole world knew the popular verses: Matthew 24:11; John 8:32; John 14:6. Matthew 24:11 “ 11 And many false prophets shall arise, and shall lead many astray” John 8:32 “ and ye shall know the truth, and the truth shall make you free.“ John 14:6 Jesus saith unto him, I am the way, and the truth, and the life: no one cometh unto the Father, but [a]by me.”