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The Citizens of the United States of America have a right to applaud themselves for having given to mankind examples of an enlarged and liberal policy: a policy worthy of imitation. All possess alike liberty of conscience and immunities of citizenship. It is now no more that toleration is spoken of, as if it was by the indulgence of one class of people, that another enjoyed the exercise of their inherent natural rights." ---- George Washington, 1790
Again, context helps. The didn't call themselves liberals or conservatives or use the words the way libs think. That was a letter to a Hebrew congregation and was trying to put their religious fears to rest.
"...May the children of the stock of Abraham who dwell in this land continue to merit and enjoy the good will of the other inhabitants — while every one shall sit in safety under his own vine and fig tree and there shall be none to make him afraid.
May the father of all mercies scatter light, and not darkness, upon our paths, and make us all in our several vocations useful here, and in His own due time and way everlastingly happy."
Not liberal policies, as in socialism and gay marriage.