How to use "strongest" in a sentence

I tell you that while my friend believes also in the doctrine of violence and has adopted the doctrine of non-violence as a weapon of the weak, I believe in the doctrine of non-violence as a weapon of the strongest

I believe that a man is the strongest soldier for daring to die unarmed with his breast bare before the enemy

It is the strongest assurance that recovery will endure.

He hates tears, because, like many men, he knows they are one of the strongest weapons that women have.