Yes, indeed Jesus believe lowly people are valuable. 1. He gave the example of children and of people who lower themselves to being children that they will enter eternal life. 2. many times he was seen with the lowly in society- Mary- who gave him an annointment of oil and perfume. 3. He also healed the lowly in society.

Infact, I sincerly believe that the lowly in society believe and trust God better than the rest of us who probably believe we get what we need through our "intelligence"