Berean Standard Bible (BSB)
To this end I also labor, striving with all His energy working powerfully within me.
World English Bible (WEB)
for which I also labor, striving according to his working, which works in me mightily.
Strong's King James
Whereunto{G1519}{G3739} I{G2872} also{G2532} labour{G2872}{(G5719)}, striving{G75}{(G5740)} according to{G2596} his{G846} working{G1753}, which{G3588} worketh{G1754}{(G5734)} in{G1722} me{G1698} mightily{G1722}{G1411}.
The F.O.G *
(29) For this I labour! Fighting according to His working power, which in power is working in me!
The F.O.G Message *
Young's Literal Translation
for which also I labour, striving according to his working that is working in me in power.