If we truly want to see prosperity in our lives, we must understand the principle of sowing and reaping, hearing and obeying.
Abraham was a great example of a godly man who heard the voice of God and obeyed. He believed God, listened to God, and followed God's instructions. As we listen and hear God speak to us, we are led by God in all of our daily decisions. And our way will be prosperous and successful, if our hearts are turned toward God.
This is God's Promise. You can count on biblical principles because they work. If you honor God with your tithe, your finances will be blessed and stretched. If you sow good seed, you will reap a blessed harvest. God's principles hold true and never fail.
This does not mean we will roll in wealth and no trouble will come our way, because life is full of trouble. However, it means that whatever may come our way - God holds our future and blesses everything we set our hand to do. It's the principle.