Difficulty, my brethren, is the nurse of greatness – a harsh nurse, who roughly rocks her foster – children into strength and athletic proportion. – William C. Bryant

The men in the steel industry who sacrificed their all were nor merely aiding their fellows at home but were adding strength to the cause of their comrades in all industry. – John L. Lewis

Suppressed grief suffocates, it rages within the breast, and is forced to multiply its strength. – Ovid