3 Bible Verses about Hard Labor

Know ye not, that of those who run in the racecourse all run, but one receiveth the prize? Thus run, that ye may obtain. And every one who contendeth in the games is temperate in all things; they, however, to obtain a perishable crown, but we, an imperishable. I therefore so run, not as one uncertain; I so fight, not as one striking the air;read more.
but I beat down my body, and bring it into subjection, lest perhaps, when I have been a herald to others, I should myself be rejected as unworthy.

Not yet have ye resisted unto blood, in your contest against sin;

if by any means I may attain to the resurrection from the dead. Not that I have already obtained, or have been already perfected; but I press on, if I may also lay hold of that for which I was laid hold of by Christ. Brethren, I do not reckon myself to have laid hold of it; but one thing I do, forgetting the things that are behind, and stretching forth to the things that are before,read more.
I press toward the mark for the prize of the heavenly calling of God in Christ Jesus.