We can briefly summarize Psalm 41 by noting it's genre first of all. Psalm 41 is a lament psalm.
- In it, we’ll see David pronounce a blessing on those who consider the poor.
- Then he gives a lament that even though he does consider the poor, he himself is being mistreated and afflicted.
- Then he asks God to raise him up.
- He expresses confidence in God’s hearing him, and then ends this psalm with a praise.
That's the summary of Psalm 41 in brief!