'Inability' in the Bible

“I will gather those [Israelites in captivity] who grieve about the appointed feasts—They came from you, [O Zion];On whom the reproach [of exile] is a burden.

His faith did not weaken when he thought about his own body (which was already as good as dead now that he was about a hundred years old) or about Sarah's inability to have children,

since it was because of the work of Christ that he almost died. He risked his life so that he could make up for your inability to serve me.