To take a single step beyond the boundaries specially drawn around the powers of Congress is to take possession of a boundless field of power, no longer susceptible to definition.

The genius of architecture seems to have shed its maledictions over this land.

His [Calvin's] religion was demonism. If ever man worshiped a false God, he did. The being described in his five points is ... a demon of malignant spirit. It would be more pardonable to believe in no God at all, than to blaspheme him by the atrocious attributes of Calvin

I never before knew the full value of trees....What would I not give that the trees planted nearest round the house at Monticello were full grown.

Travelling is good for your health and necessary for your amusement.

...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.

...It is impossible, I say, for the human mind not to believe that there is in all this design, cause, and effect up to an Ultimate Cause-a Fabricator of all things, from matter and motion-their Preserver and Regulator while permitted to exist in their present forms-and their Regenerator into new and other forms.