Action and reaction, ebb and flow, trial and error, change – this is the rhythm of living. Out of our over-confidence, fear out of our fear, clearer vision, fresh hope. And out of hope, progress. – Bruce Barton
Malevolent criticisms will not disturb my peace of mind, I shall take no notice of them, however carefully they may be dressed up in the garb of science. – Sebastian Kneipp, 1889, translated from German, introduction to Thus Shalt Thou