[Edit] I have edited out quotes that do not have verification as having been said by Jefferson, still, some great quotes.
What country can preserve its liberties if its rulers are not warned from time to time that their people preserve the spirit of resistance?
God forbid we should ever be twenty years without such a rebellion. The people cannot be all, and always, well informed. The part which is wrong will be discontented, in proportion to the importance of the facts they misconceive. If they remain quiet under such misconceptions, it is lethargy, the forerunner of death to the public liberty.... And what country can preserve its liberties, if its rulers are not warned from time to time, that this people preserve the spirit of resistance? Let them take arms. The remedy is to set them right as to the facts, pardon and pacify them. What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time, with the blood of patriots and tyrants. It is its natural manure.
The policy of the American government is to leave their citizens free, neither restraining nor aiding them in their pursuits.
I would rather be exposed to the inconveniences attending too much liberty than to those attending too small a degree of it.
think myself that we have more machinery of government than is necessary, too many parasites living on the labor of the industrious. (Back then!)
I am not a friend to a very energetic government. It is always oppressive.
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
Timid men prefer the calm of despotism to the tempestuous sea of liberty.
An elective despotism was not the government we fought for.