Resources Talks & Podcasts Principal’s Hour Surprised by His Teaching. 22 February 201220 February 2025 · Principal’s Hour Surprised by His Teaching. David Cook · Length: 0:47:200:29:58 Switch to Express Version Overview Surprised by His Teaching. Principal’s Hour Surprised by His Teaching. 0:00 / 0:00 Principal’s Hour (Express) Surprised by His Teaching. 0:00 / 0:00