Perseverance, cf. Faithfulness, Endurance, Dedication
Today in the Word, April, 1998, p. 33
William Carey, often considered the father of modern missions, once wrote: "If, after my removal, anyone should think it is worth his while to write my life, I will give you a criterion by which you may judge of its correctness. If he give me credit for being a plodder, he will describe me justly
I can plod. I can persevere in any definite pursuit."