Phil. 2:12,13 says "...continue to work out your salvation with fear and trembling, for it is God who works in you to will and to act according to his good purpose."

Here's my questions:

1. What does it mean to 'work out' our salvation? Isn't salvation a result of an act of faith, a once for all decision?

2. What does it mean by 'fear and trembling'? Shouldn't our salvation come with joy and peace?

3. What does it mean that 'it is God who works' when it just stated that we are to work out our salvation?

so there you have it...any thoughts?