At times, our strengths propel us so far forward we can no longer endure our weaknesses and perish from them.

The sick are the greatest danger for the healthy; it is not from the strongest that harm comes to the strong, but from the weakest.

He divines remedies against injuries; he knows how to turn serious accidents to his own advantage; whatever does not kill him makes him stronger

Out of life's school of war: What does not destroy me, makes me stronger

Rather perish than hate and fear, and twice rather perish than make oneself hated and feared -- this must some day become the highest maxim for every single commonwealth.

What does not destroy me, makes me stronger.