Trade liberty for safety or money and you'll end up with neither. Liberty, like a grain of salt, easily dissolves. The power of questioning - not simply believing - has no friends. Yet liberty depends on it.

Let the eye of vigilance never be closed.

Books may be classed from the Faculties of the mind

The Constitution on which our Union rests, shall be administered by me [as President] according to the safe and honest meaning contemplated by the plain understanding of the people of the United States at the time of its adoption - a meaning to be found in the explanations of those who advocated, not those who opposed it, and who opposed it merely lest the construction should be applied which they denounced as possible.

I apprehend... that the total abandonment of the principle of rotation in the offices of President and Senator will end in abuse.

To every obstacle oppose patience, perseverance and soothing language.

The only true corrective of Constitutional abuses is education.