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.

 This was not so much knowing God as feeling God. But it was a highly emotional experience and, as such, it was necessarily transient. It was a kind of religious drug. It quite definitely found God in an abnormal experience and its aim was to escape from ordinary life. 