A high civilization is a pyramid: it can stand only on a broad base; its primary prerequisite is a strong and soundly consolidated mediocrity.

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

Whatever does not destroy me makes me stronger.

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

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