Acts 20:28-31

‘Take heed, therefore, to yourselves, and to all the flock, among which the Holy Spirit made you overseers, to feed the assembly of God that He acquired through His own blood, for I have known this, that there shall enter in, after my departing, grievous wolves unto you, not sparing the flock, and of your own selves there shall arise men, speaking perverse things, to draw away the disciples after them. ‘Therefore, watch, remembering that three years, night and day, I did not cease with tears warning each one