Jefferson: The tree of liberty must always be watered with the blood of patriots and tyrants.

Reference:

After the end of the Revolutionary War, with the development of class struggle, especially after the failure of Shays' Rebellion, Jefferson not only defended this idea, but also enthusiastically Praise the revolution. He wrote: "Let them (referring to the people-quoter's note) take up arms! ... What does it matter if a few lives are lost in a century or two? The tree of liberty must always be planted with the blood of patriots and tyrants. Irrigation. It is the natural fertilizer for the tree of freedom. "...We have indeed provided the world with a beautiful example of reforming government based on reason alone and without bloodshed. But the world is proud of it." Too oppressed to benefit from this example."