This piece signify Unity. No one would feel comfortable to use a single side of shoe and leave the other feet bare. One can only enjoy the real functionality of shoes if he uses a pair (that is, the two sides).
For us to achieve the goal of creating positive change, we must embrace Unity, that is, understand the fact that ‘one tree cannot make a forest’. We need to accept to work with others knowing that no man is an island, as every person posses his/her quota of contribution.
Together, we can achieve the needed and positive change!