...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.

The bloom of Monticello is chilled by my solitude.

Where strictness of grammar does not weaken expression, it should be attended to. . . . But where, by small grammatical negligences, the energy of an idea is condensed, or a word stands for a sentence, I hold grammatical rigor in contempt.

I will now add what I do not like. First, the omission of a bill of rights providing clearly and without the aid of sophisms for freedom of religion, freedom of the press, protection against standing armies, restriction against monopolies, the eternal and unremitting force of the habeas corpus laws, and trials by jury in all matters of fact triable by the laws of the land and not by the law of nations.

I, place economy among the first & most important republican virtues, & public debt as the greatest of the dangers to be feared

The way to have good and safe government is not to trust it all to one, but to divide it among the many, distributing to everyone exactly the functions in which he is competent ... It is by dividing and subdividing these Republics from the great national one down through all its subordinations until it ends in the administration of everyman's farm by himself, by placing under everyone what his own eye may superintend, that all will be done for the best.

Health is worth more than learning.