Pole climbing is an art. In order to climb, one must have a belt that goes around the pole and wear spiked shoes. The secret is to lean back and depend on the belt so the spikes can dig into the pole. Depending on the belt is hard to learn; often a beginner slides down the splintery pole because he won’t depend on his equipment. It only takes a few such experiences to convince the beginner that it is better to depend on the belt.
In the Christian life, God wants us to climb by depending on him. When we are hurt by splinters, we should recognize that they are reminders that we need to depend on his strength and loving protection.
Baker Books , 1500 Illustrations for Biblical Preaching, by Michael P. Green