For all the negative things we have to say to ourselves, God has a positive answer for it...

You say: "It's impossible"
God says: All thing are possible (Luke 18:27)

You say: "I'm too tired"
God says: I will give you rest (Matt 11:28-20)

You say: "Nobody really loves me"
God says: I love you (John 3:16 & John 13:34)

You say: "I can't go on"
God says: My grace is sufficient (II Cor.12:9 & Psalm 91:15)

You say: "I can't figure things out"
God says: I will direct your steps (Proverbs 3:5-6)

You say: "I can't do it"
God says: You can do all things (Phil 4:13)

You say: "I'm not able"
God says: I am able (II Cor.9:8)

You say: "It's not worth it"
God says: It will be worth it (Romans 8:28)

You say: "I can't forgive myself"
God says: I forgive you (I John 1:9 & Romans 8:1)

You say: "I can't manage"
God says: I will supply all your needs (Phil 4:19)

You say: "I'm afraid"
God says: I have not given you a spirit of fear (II Tim. 1:7)

You say: "I'm always worried and frustrated"
God says: Cast all your cares on ME (I Peter 5:7)

You say: "I don't have enough faith"
God says: I've given everyone a measure of faith (Romans 12:3)

You say: "I'm not smart enough"
God says: I will give you wisdom (I Cor. 1:30)

You say: "I feel all alone"
God says: I will never leave you or forsake you (Heb. 13:5)