“[Translated]: The tree of liberty only grows when watered by the blood of tyrants.”
L'arbre de la liberté ne croit qu'arrosé par le sang des tyrans.
Speech in the Convention Nationale, 1792.
Bertrand Barère de Vieuzac was a French politician, freemason, journalist, and one of the most prominent members of the National Convention during the French Revolution. Wikipedia

“[Translated]: The tree of liberty only grows when watered by the blood of tyrants.”
L'arbre de la liberté ne croit qu'arrosé par le sang des tyrans.
Speech in the Convention Nationale, 1792.
“[Translated]: It is only the dead who do not return.”
II n'ya que les morts qui ne reviennent pas.
Speech, 1794, reported in Bartlett's Familiar Quotations, 10th ed. (1919).