Daniel Defoe – Robinson Crusoe (page 176)

And it may not be amiss for all people who shall meet with my story to make this just observation from it—namely, how frequently in the course of our lives the evil which in itself we seek most to shun, and which, when we are fallen into it, is the most dreadful to us, is oftentimes the very mean or door of our deliverance, by which alone we can be raised again from the affliction we are fallen into.

Daniel Defoe – Robinson Crusoe (page 176)