[ Jamie looks at Claire the best he can, his voice lower. ]

Claire. I vow to ye here and now that I willna let anything else harm Brianna, Fergus, or you to the best of my ability. The vow I swore to ye extends to our children as well. To any you've come to care for.

[ The problem is, he's never there to actually help. To stop those things. He only sees the terrible aftermath, when he can do nothing. ]