The true rock
Here's a great truth to keep in mind at all times:
The rock is not the Church, nor doctrine, nor even the Bible, but Christ!
F. B. Meyer, Through the Bible Day by Day: A Devotional Commentary, vol. 5 (Philadelphia: American Sunday-School Union, 1914–1918), 121.
Let's keep our eyes on Jesus (Hebrews 12:1-3)!