... for it is a truth, which the experience of all ages has attested, that the people are commonly most in danger when the means of insuring their rights are in the possession of those of whom they entertain the least suspicion.

The reasonableness of the agency of the national courts in cases in which the state tribunals cannot be supposed to be impartial, speaks for itself. No man ought certainly to be a judge in his own cause, or in any cause in respect to which he has the least interest or bias.

It will be forgotten, on the one hand, that jealousy is the usual concomitant of violent love, and that the noble enthusiasm of liberty is too apt to be infected with a spirit of narrow and illiberal distrust. On the other hand, it will be equally forgotten, that the vigour of government is essential to the security of liberty.

If we set out with... a scrupulous regard to the Constitution, the government will acquire a spirit and a tone productive of permanent blessings to the community. If on the contrary,... the Constitution is slighted, or explained away, upon every frivolous pretext, the future of government will be feeble, distracted and arbitrary. The rights of the subjects will be the sport of every party vicissitude. There will be no settled rule of conduct, but everything will fluctuate with the alternate prevalency of contending factions.

A fondness for power is implanted in most men, and it is natural to abuse it when acquired.

[V]igor of government is essential to the security of liberty.

The states have authority to interpret the Constitution, enforce it, and protect the people from violations of it by the federal government In the first place, there is not a syllable in the plan under consideration which directly empowers the national courts to construe the laws according to the spirit of the Constitution, or which gives them any greater latitude in this respect than may be claimed by the courts of every State.