Schweiß spart Blut

German Etymology sweat saves blood. Sometimes falsely ascribed to Erwin Rommel. In fact, called an "old saying" already in 1915.Lindenberg, Paul: Unter Habsburgs Fahnen gegen Italien, Bonz, 1915, p. 96. Proverb de proverb de military or figurative thorough training and preparation are worth the effort and help avoid grave damage References