I have more strength than fear.

Fear is loud and strength is quiet, so the ratio between them is almost impossible to read from the inside. Think of someone giving a eulogy. Their hands shake the whole way down the page and the paper shakes with them. The shaking is the fear. The finishing is the strength. Both were in the room, and only one of them was visible from the third row.

You will rarely feel the surplus while you need it. You find out about it afterwards, from the plain fact that the thing got done anyway.