So do not be afraid, because I am with you. Do not be sad, because I am your God. I will make you strong and I will help you. Really, I will hold you with my right hand. It is strong and it wins wars.” Isaiah 41:10 EASY https://bible.com/verse-of-the-day/isa.41.10/5775

That is why we do not let ourselves become sad about our work. The person that we are on the outside is getting older and less able. But the person that we are on the inside is becoming newer day by day. 2 Corinthians 4:16 EASY https://bible.com/verse-of-the-day/2co.4.16/32905