(noun) Sameness, identicalness; the quality or fact of (several specified things) being the same.
"Any real change implies the breakup of the world as one has always known it, the loss of all that gave one an identity, the end of safety."
"Friendship is born from an identity of spiritual goals - from common navigation toward a star."
"We know what we are, but not what we may be."
"Some of the biggest cases of mistaken identity are among intellectuals who have trouble remembering that they are not God."
"Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation."