[A]ll popular and well-mixed governments [republics] . . . are ever established by wise and good men, and can never be upheld otherwise than by virtue: The worst men always conspiring against them, they must fall, if the best have not power to preserve them. . . . [and] unless they be preserved in a great measure free from vices . . . .
Algernon SidneyLaws and constitutions ought to be weighed... to constitute that which is most conducing to the establishment of justice and liberty.
Algernon Sidney[I]f vice and corruption prevail, liberty cannot subsist; but if virtue have the advantage, arbitrary power cannot be established.
Algernon Sidney