When people begin to interact together genuinely, and they're open to each other's influence, they begin to gain new insight. The capability of inventing new approaches is increased exponentially because of differences.
Valuing differences is what really drives synergy. Do you truly value the mental, emotional, and psychological differences among people? Or do you wish everyone would just agree with you so you could all get along? Many people mistake uniformity for unity; sameness for oneness. One word--boring! Differences should be seen as strengths, not weaknesses. They add zest to life.