—used to introduce a statement that contrasts with a previous statement or presents a different point of view
He's a good guy. His brother, on the other hand, is a very selfish man.Profits are earned by those who own and employ capital. Rent, on the other hand, is collected by those who own natural resources and provide them to others. William Tucker
—often used after a statement introduced with on the one hand
Then he is incorporated formally into the plot, his persona on the one hand central, on the other hand continuingly elusive. William F. Buckley Jr.