I acknowledge that such a debt [of service to my fellow-citizens] exists, that a tour of duty in whatever line he can be most useful to his country, is due from every individual. It is not easy perhaps to say of what length exactly that tour should be, but we may safely say of what length it should not be. Not of our whole life, for instance, for that would be to be born a slave-not even of a very large portion of it.
Thomas JeffersonThe example of changing a constitution by assembling the wise men of the state, instead of assembling armies, will be worth as much to the world as the former examples we had give them. The constitution, too, which was the result of our deliberation, is unquestionably the wisest ever yet presented to men.
Thomas JeffersonThe attempt of Lavoisier to reform chemical nomenclature is premature. One single experiment may destroy the whole filiation of his terms; and his string of sulphates, sulphites, and sulphures, may have served no end than to have retarded the progress of science by a jargon, from the confusion of which time will be requisite to extricate us.
Thomas Jefferson