From Across Five Aprils by Irene Hunt (chapter 4):
Suffering at the mercy of the elements was accepted by Jethro as being quite as natural as the hunger for green vegetables and fresh fruit that was always with him during the winter. When one found comfort, he was grateful, but he was never such a fool as to expect a great deal of it. The hardships one endured had a purpose. His mother had been careful to make him aware of that.