...the science of calculation also is indispensable as far as the extraction of the square and cube roots: Algebra as far as the quadratic equation and the use of logarithms are often of value in ordinary cases: but all beyond these is but a luxury; a delicious luxury indeed; but not be in indulged in by one who is to have a profession to follow for his subsistence.

Every constitution..., and every law, naturally expires at the end of 19 years [a generation]. If it be enforced longer, it is anact of force, and not of right.

When a uniform exercise of kindness to prisoners on our part has been returned by as uniform severity on the part of our enemies,you must excuse me for saying it is high time, by other lessons, to teach respect to the dictates of humanity; in such a case, retaliation becomes an act of benevolence.

A rigid economy of the public contributions and absolute interdiction of all useless expenses will go far towards keeping the government honest and unoppressive.

The chief purpose of government is to protect life. Abandon that and you have abandoned all.

Without health there is no happiness. An attention to health, then, should take the place of every other object.

A room without books is like a life without meaning.