For the ears, you can listen to an audio recording [high fidelity audio playable under all personal computer operating systems via VLC media player, Microsoft Windows Media Player with the Xiph.org codecs for FLAC et al, OS X QuickTime with the XiphQT plugin, etc., on many Android-based mobile devices, and on iOS-based mobile devices via apps such as FLAC Player or Golden Ear] of this presentation.

Some of the conversation partners cited were:

• Howard Thurman, Meditations of the Heart
  one can also listen to a couple of his sermons via the Great Black Preachers at Duke Chapel collection
• Parker Palmer, Let Your Life Speak