4 Bible Verses about Determination

Know ye not that they who run on the course, all run indeed, yet but one obtaineth the price? So run, that ye may obtain. And every one who contendeth [in the games] is temperate in all things: they indeed therefore do it that they may receive a corruptible crown, but we an incorruptible. I therefore so run not as uncertainly; so do I exercise with my fists, not as striking the air:read more.
but I beat down my body, and bring it into subjection, that I may not by any means, after having preached to others, myself become reprobate.

I am enabled for all things by Christ who strengtheneth me.

I have struggled hard in the honourable contest, I have finished the race, I have kept the faith:

For I determined not to know any thing among you, save Jesus Christ and him crucified.