Affirmations are primarily based on the promises of God and other statements in the Bible. They are a powerful way of affirming and reminding ourselves what God has said to us through Scripture and our private prayer life. Personally I began making affirmations in the 1980s. I still use statements like those that follow to remind me of the good things God has promised.
If you would like to read more about the power of the spoken word and making positive statements, I recommend: The Tongue - A Creative Force by Charles Capps, Commanding Your Morning by Cindy Trimm and Igniting Faith in 40 Days by Steve and Wendy Backlund.

Declarations about Myself
I am loved by God
I am a strong believer
I am a new creation
I have the mind of Christ
I am more than a conqueror
I am set free from the law of sin and death
I am covered in the blood of Jesus
I am forgiven of my sins
I am hearing God clearly
I am doing what God tells me to do
I am a good decision-maker
I am a blessing to others
I am good at making disciples
I am a history-maker
I am a joyous person
I spread joy
I have lots of energy
I am getting plenty of good sleep
I do relationships well
I am a revivalist
I am a healer of the sick
I set captives free
I sit with Christ in the heavenly places
I have plenty of wisdom
I have an abundance of hope
I have an anointing on my life and ministry
I am receiving God’s promises
God’s gifts in me are increasing
I am an important person in the body of Christ
I am getting breakthrough
I finish what I start
I have been given my house and this land by the Lord Himself
I exercise authority over it
I declare peace in my home and upon this land now and forever
Declarations about Ministry
God hears me and God answers my prayers
God is meeting all my needs
I am an ambassador for Christ
I carry the Kingdom with me wherever I go
What I release will advance the Kingdom powerfully
I do not have a spirit of fear in any area
I am not too old/young
God has awesome plans for me
I am fulfilling my destiny
I am not a failure or a quitter; I am a great success
I am worth listening to
I exercise authority in Jesus
Declarations about Finances
I do not have a poverty spirit
I am rich in Christ Jesus
Prosperity is my portion and promise
I have wisdom in using what God gives me
Wealth is a tool in my arsenal
I have enough not only for my needs but for the needs of others
I have a spirit of generosity
I am able to make wise financial decisions
My mortgage is being paid off ahead of time
Declarations about Health
I declare health throughout my entire body, mind and spirit
I declare that I have excellent eyesight, hearing and teeth
I have sharp mental acuity
I have a great desire to stay physically fit
I declare that . . . is healed
I have victory over depression . . .
Declarations about Family Members
I love all the members of my family
I forgive all the members of my family
I am forgiven by all the members of my family
All the members of my family will be saved
My parents . . .
My siblings . . .
My spouse . . .
My children . . .
Declarations about My Church
My church is a place of revival
People are being brought into closer relationship with Jesus
Church leaders are on fire with the Holy Spirit
Declarations about the Country
My country/state/county/town is under the dominion of Jesus Christ
The governmental leaders are under the dominion of Jesus Christ
The ruling spirit over my country/state/county/town is the Holy Spirit
Declarations for Other People or Other Countries
My friend . . . . is healed of . . .