Paul speaks of someone who lets nothing stop him from carrying out his decisions as if he could not be physically moved. Alternate translation: "be determined" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Paul speaks of efforts made in working for the Lord as if they were objects that a person could acquire more of. Alternate translation: "Always work for the Lord faithfully" (See: [[rc://en/ta/man/translate/figs-metaphor]])