A society that relies on generalized reciprocity is more efficient than a distrustful society, for the same reason that money is more efficient than barter. Trust lubricates social life. Networks of civic engagement also facilitate coordination and communication and amplify information about the trustworthiness of other individuals.
Robert D. PutnamPositive people have more friends which is a key factor of happiness and longevity.
Robert D. PutnamPeople may go to the library looking mainly for information, but they find each other there.
Robert D. Putnam