The interests of the States... ought to be made joint in every possible instance in order to cultivate the idea of our being one nation, and to multiply the instances in which the people shall look up to Congress as their head.

The question whether the judges are invested with exclusive authority to decide on the constitutionality of a law has been heretofore a subject of consideration with me in the exercise of official duties. Certainly there is not a word in the Constitution which has given that power to them more than to the Executive or Legislative branches.

Educate and inform the whole mass of the people. Enable them to see that it is their interest to preserve peace and order, and they will preserve them.

the qualifications for self-government in society are not innate. they are the result of habit and long training.

If we are made in some degree for others, yet in a greater are we made for ourselves. It were contrary to feeling and indeed ridiculous to suppose that a man had less rights in himself than one of his neighbors, or indeed all of them put together. This would be slavery, and not that liberty which the bill of rights has made inviolable, and for the preservation of which our government has been charged.

Experience having long taught me the reasonableness of mutual sacrifices of opinion among those who are to act together for any common object, and the expediency of doing what good we can; when we cannot do all we would wish.

Reason and free inquiry are the only effectual agents against error... They are the natural enemies of error, and of error only... If [free enquiry] be restrained now, the present corruptions will be protected, and new ones encouraged.