Lucius Cary: When it is not necessary to change, it is necessary not to change.

Source

From the book 2nd Viscount Falkland, as quoted in Douglas Macleane, Reason, Thought, and Language; Or, The Many and the One : A Revise, Lucius Cary, 2nd Viscount Falkland, as quoted in Douglas Macleane, Reason, Thought, and Language; Or, The Many and the One : A Revised System of Logical Doctrine in Relation to the Forms of Idiomatic Discourse (1906)