A now classic work by A. W. Tozer, a series of wide-ranging essays (originally published as editorials in Alliance Life magazine) on spirituality and the Christian life.
Excerpt from Chapter 1: The Root of the Righteous
Much that passes for Christianity today is the brief bright effort of the severed branch to bring forth its fruit in its season. But the deep laws of life are against it. Preoccupation with appearances and a corresponding neglect of the out-of-sight root of the true spiritual life are prophetic signs which go un-heeded. Immediate "results" are all that matter, quick proofs of present success without a thought of next week or next year. Religious pragmatism is running wild among the orthodox. Truth is whatever works.