Philippians 2:12

And so, my beloved, as you have always obeyed, not only in my presence, but now much more in my absence, with reverence and self-distrust work out your own salvation;

Hebrews 4:1-2

Let us be on our guard, then, though there is a promise still standing of being admitted to his rest, lest any one of you should be found to have come short of it.

Hebrews 12:25

See that you do not refuse him who is speaking. For if they did not escape punishment when they refused to listen to their instructor on earth, much less shall we escape if we turn away from him who is teaching us from heaven;

Hebrews 12:28-29

Wherefore since we are receiving a kingdom which is unshakable, let us give thanks, and so offer acceptable worship to God, with holy awe and fear,

Treasury of Scripture Knowledge

Summary

Serve the LORD with fear, and rejoice with trembling.

Bible References

Serve

Hebrews 12:28
Wherefore since we are receiving a kingdom which is unshakable, let us give thanks, and so offer acceptable worship to God, with holy awe and fear,

Rejoice

Philippians 2:12
And so, my beloved, as you have always obeyed, not only in my presence, but now much more in my absence, with reverence and self-distrust work out your own salvation;
Hebrews 4:1
Let us be on our guard, then, though there is a promise still standing of being admitted to his rest, lest any one of you should be found to have come short of it.
Hebrews 12:25
See that you do not refuse him who is speaking. For if they did not escape punishment when they refused to listen to their instructor on earth, much less shall we escape if we turn away from him who is teaching us from heaven;