Jesus said, "If you keep My commands, then you are truly my disciples. Then you will know the truth, and the truth will set you free" (John 8:31-32).
The bible contains over 2,000 verses that address ways on how to earn, save, spend, invest and give money. Two-thirds of the illustration stories Jesus told were to do with money. The only subject that the Bible has more to say about than finances is love.

Have look at the sections here to see what God has to say to you through His Word, The Bible. you cannot get a more authortive source!

You may also want to check out Crown Financial Ministries website