Psalm 44:1: We have heard with our ears, O God; our ancestors have told us what deeds you performed in their days, in the days of old:
One of the traits of us humans is that we tend to remember things; aadmitadly we tend to remember the bad things more than the good... it's just what we do!
Here the psalmist tells of the people remembering all God has done in the past, the time when the people of Israel were wondering through the desert.
If we can remember more of the good things has done for us rather than all the bad things which happen in the world around us, we will be encouraged - maybe even enough to depend more on God like he wants us to!