Berean Standard Bible (BSB)
because you know that the testing of your faith develops perseverance.
World English Bible (WEB)
knowing that the testing of your faith produces endurance.
Strong's King James
Knowing{G1097}{(G5723)} this, that{G3754} the trying{G1383} of your{G5216} faith{G4102} worketh{G2716}{(G5736)} patience{G5281}.
The F.O.G *
(3) knowing that this testing of your believing faith produces perseverance.
The F.O.G Message *
Young's Literal Translation
knowing that the proof of your faith doth work endurance,