Interdependency follows independence.

— Covey, Stephen R.

The ship of heaven guides itself and will not accept a wooden rudder.

— Emerson, Ralph Waldo

There is no one subsists by himself alone.

— Felltham, Owen

There is no dependence that can be sure but a dependence upon one's self.

— Gay, John

Depend on no man, on no friend but him who can depend on himself. He only who acts conscientiously toward himself, will act so toward others.

— Lavater, Johann Kaspar