"You see, his faith and his actions worked together. His actions made his faith complete." - James 2:22
On the one hand, I am not sure whether our faith can ever be complete or perfect, but what James is suggesting in this verse is that our lives (and actions) bring completion to the words we profess. To put it slightly differently - it can be like clapping our hands. When we bring our two hands together we complete the 'Clap' - it is very hard to clap with only one hand. In the same way, our Faith is made complete when our actions and words come together. Does that make sense? I hope so.
God bless you.
Living in Grace