Faith in Christian language does not mean a sheer leap in the dark. (religion-online.org)
Consider this quote by Henry David Thoreau: «We must walk consciously only part way toward our goal, and then leap in the dark to our success.» (entrepreneur.com)
I don't know about the «evangelicals», but my faith is based upon the overwhelming evidence that God is; not some mere leap in the dark. (religion.blogs.cnn.com)