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

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

You say:  "I'm too tired"
God says: I will give you rest (Matthew 11:28-30)

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 Corinthians 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 (Philippians 4:13)

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

You say:  "It's not worth it"
God says: It will be worth it (Roman 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 (Philippians 4:19)

You say:  "I'm afraid"
God says: I have not given you a spirit of fear (II Timothy 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 give you wisdom (I Corinthians 1:30)

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