The fact is that one new idea leads to another, that to a third and so on through a course of time, until someone, with whom no one of these ideas was original, combines all together, and produces what is justly called a new invention.
Thomas JeffersonMan [is] a rational animal, endowed by nature with rights and with an innate sense of justice.
Thomas JeffersonI suppose, indeed, that in public life, a man whose political principles have any decided character and who has energy enough to give them effect must always expect to encounter political hostility from those of adverse principles.
Thomas Jefferson