As for you, the anointing which you received from him remains in you, and you don't need for anyone to teach you. But as his anointing teaches you concerning all things, and is true, and is no lie, and even as it taught you, you will remain in him.
The anointing -- abideth in you --  False teachers were saying, "you don’t have the anointing, thus, let me teach you something specially known by me." John says, "you do have the anointing and this teaches you the truth about this matter."