Romans 11:6
"But if it is by grace, it is no longer on the basis of works; otherwise grace would no longer be grace".
All your works wont guarantee you anything, but it is by grace not your works, you might say "oh i work harder than you and i don't get promotion" but don't feel bad because in 1st Corinthians 15:10
"But by the grace of God I am what I am, and his grace toward me was not
in vain. On the contrary, I worked harder than any of them, though it
was not I, but the grace of God that... Continue reading ...