The precepts of philosophy and of the Hebrew code, laid hold of actions only. (Jesus) pushed his scrutinies into the heart of man, erected his tribunal in the regions of his thoughts, and purified the waters at the fountain head.
Thomas JeffersonThe issue for patents for new discovers has given a spring to invention beyond my conception.
Thomas JeffersonI 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 Jefferson