Common sense is the foundation of all authorities, of the laws themselves, and of their construction.

Choice by the people themselves is not generally distinguished for its wisdom.

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.

An injured friend is the bitterest of foes.

I do most anxiously wish to see the highest degrees of education given to the higher degrees of genius and to all degrees of it, so much as may enable them to read and understand what is going on in the world and to keep their part of it going on right; for nothing can keep it right but their own vigilant and distrustful superintendence.

The best (remedy) I can devise would be to give future commissions to (federal) judges for six years with a re-appointability by the President with the approbation of both houses. If this would not be independence enough, I know not what would be.

I do verily believe that a single, consolidated government would become the most corrupt government on the earth.