31 for 21: I feel. He says

I feel defeated.
He says

No, in all these things we are more than conquerors through him who loved us.
Romans 8:37 (New International Version)

I feel impatient.
He says

Wait for the LORD;
be strong and take heart
and wait for the LORD.
Psalm 27:14 (Today's New International Version)

I feel hopeless, unsure.
He says

For I know the plans I have for you,” declares the Lord, “plans to prosper you and not to harm you, plans to give you hope and a future.”  
Jeremiah 29:11 (New International Version)

I feel worried, anxious.
He says

Give all your worries and cares to God,  for he cares for you.
I Peter 5:7 (New Living Translation)

I feel scared, weak, alone.
He says

"Be strong. Take courage. Don't be intimidated. Don't give them a second thought because God, your God, is striding ahead of you. He's right there with you. He won't let you down; he won't leave you."   
Deuteronomy 31:6 (The Message)

I feel done, spent.
He says

Do not fear any of those things which you are about to suffer…Be faithful until death, and I will give you the crown of life. 
Revelation 2:10 (New International Version)

And He is wiser than I, so I will believe what He says.