The Thomas Jefferson Papers, 1606-1827, 27,000 original manuscript documents at the Library of Congress. online collection - Thomas Jefferson

I had for a long time ceased to read newspapers, or pay any attention to public affairs, confident they were in good hands, and content to be a passenger in our bark to the shore from which I am not distant. But this momentous question, like a firebell in the night, awakened and filled me with terror. I considered it at once as the knell of the Union. I regret that I am now to die in the belief that the useless sacrifice of themselves by the generation of 1776 to acquire self-government and happiness to their country is to be thrown away, and my only consolation is to be that I live not to weep over it.

Bigotry is the disease of ignorance, of morbid minds; enthusiasm of the free and buoyant. Education & free discussion are the antidotes of both.

We may say with truth and meaning that governments are more or less republican, as they have more or less of the element of popular election and control in their composition; and believing, as I do, that the mass of the citizens is the safest depository of their own rights, and especially, that the evils flowing from the duperies of the people are less injurious than those from the egoism of their agents, I am a friend to that composition of government which has in it the most of this ingredient. And I sincerely believe, with you, that banking establishments are more dangerous than standing armies; and that the principle of spending money to be paid by posterity, under the name of funding, is but swindling futurity on a large scale.