Alma 24:19

and thus we see that when these Lamanites were brought to believe and to know the truth, that they were firm, and would suffer even unto death, rather than to commit sin; and thus we see, that they buried the weapons of peace, or they buried the weapons of war, for peace.

We see that when these Lamanites came to believe and know the truth, they were strong. They would die rather than sin. We see that they buried their weapons of war for peace.

When these Lamanites came to know the truth, they became unshakable. They would suffer death itself rather than sin. They buried their weapons of war to make peace.