Man has to acquire his strength by overcoming obstacles in the world, one after another. Strictly speaking all our strength was acquired by the overcoming of obstacles in previous incarnations. Our present capacities are the result of our illnesses in earlier lives.
Source: Rudolf Steiner – GA 107 – The Being of Man and His Future Evolution – Illness and karma – Berlin, 26th January 1909
Translated by Pauline Wehrle
Previously posted on September 9, 2015