Trusting in Hashem

When Yoseif asked someone to remember him , it was considered inappropriate because it says in Tehilim 40
Fortunate is one who places his trust in Hashem , not in ...
What is the end of that verse ?
What does it mean ?
& how may it apply to us ?
Now may be a good time for a gem of Torah study.
www.GemsofTorah.com