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

What does not destroy me, makes me stronger.

To those human beings who are of any concern to me I wish suffering, desolation, sickness, ill-treatment, indignities—I wish that they should not remain unfamiliar with profound self-contempt, the torture of self-mistrust, the wretchedness of the vanquished: I have no pity for them, because I wish them the only thing that can prove today whether one is worth anything or not—that one endures.

Only strong personalities can endure history, the weak ones are extinguished by it