Sir, Your letter of the 15th is received, but Age has long since obliged me to withhold my mind from Speculations of the difficulty of those of your letter, that their are means of artificial buoyancy by which man may be supported in the Air, the Balloon has proved, and that means of directing it may be discovered is against no law of Nature and is therefore possible as in the case of Birds, but to do this by mechanical means alone in a medium so rare and unassisting as air must have the aid of some principal not yet generally known.
Thomas JeffersonAny woodsman can tell you that in a broken and sundered nest, one can hardly find more than a precious few whole eggs. So it is with the family.
Thomas JeffersonWhensoever the General Government assumes undelegated powers, its acts are unauthoritative, void, and of no force.
Thomas JeffersonThat this privilege of giving or of withholding our monies is an important barrier against the undue exertion of prerogative, which if left altogether without control may be exercised to our great oppression; and all history shews how efficacious is its intercession for redress of grievances and re-establishment of rights, and how improvident would be the surrender of so powerful a mediator
Thomas JeffersonI have no fear that the result of our experiment will be that men may be trusted to govern themselves without a master.
Thomas JeffersonNot less than two hours a day should be devoded to exercise, and weather should be little regarded. A person not sick will not be injured by getting wet. It is but taking a cold bath, which never gives a cold to any one. Brute animals are the most healthy, and they are exposed to all weather, and of men, those are healthiest who are the most exposed.
Thomas Jefferson