God promises that He will provide all of our needs. Everything we have belongs to God, and He asks us to give back 10% as an act of faith and good stewardship.

"Bring all the tithes into the storehouse... TEST ME IN THIS and see if I will not open for you the windows of heaven and pour out for you such a blessing that there will not be room enough to receive it. " Malachi 3:10

"But seek first the kingdom of God and His righteousness, and all these things [your needs] shall be added unto you. " Matthew 6:33

"The Lord is my shepherd; I lack nothing." Psalms 23:1

"Therefore I tell you, do not worry about your life, what you will eat or drink; or about your body, what you will wear." Matthew 6:25

"My God will supply every need of your according to his riches in glory in Christ Jesus." Philippians 4:19

"Keep your life free from the love of money, and be content with what you have, for He has said, "I will never leave you nor forsake you." Hebrews 13:5

"For the love of money is the root of all kinds of evil." 1 Timothy 6:10

"Every good and perfect gift is from above." James 1:17