Constant was natural around Lausanne, Switzerland, to descendants of Huguenots. He was educated by personal private instructor & at a universities at Erlangen and Edinburgh. inside the course of his life, he spent numerous years in France, Switzerl&, Germany, and Britain. He fuck by having Anne Louise Germaine de Staël and their rational collaboration processed a babies one of the first intellectual pairs of their period. He move around French politics as a publiciser & politician in a period of the latter half of the French Revolution and between 1815 and 1830. In the time period of a portion of this latter period, he sat in the French National Assembly. He was one of its virtually all facile speechifier & a leader of the left-liberal opposition called the Indepentants.

The definitive liberal author, he pleaded for person liberty, restrictions in government authority on the individual, & increasing balloting rights. He is easily-known for his theory of modern liberty. This theory says that modern social organization, above all the rise of commercial social relations, makes it historically necessary that moderns enjoy single liberty & political participation. He placed modern liberty inside counterpoint to the ancient liberty of a ancient Greeks & Romans, which gave citizens swell participation publicly affairs, however at the expense of their single freedom. Constant so attacked Napoleon's martial appetency on the evidence that it was intolerant & there are no yearn suited to modern commercial social structure.

Constant was, but, there is no advocator of radical libertarianism. His religious writings pleaded for the guiding religious sentiment, which would encourage moral duty & self-renunciative sacrifices. So, when he pleaded for single liberty when vital for single moral development & approprate for contemporaneity, he disregarded egoism & self-interest when the portion of a admittedly definition of single liberty. His moral & religious thought was strongly influenced by German thinkers, like Immanuel Kant, whom he read within preparing his religious history.

His works include: ''De l'esprit de conquête et fifty'usurpation (in the spirit of conquest & on usurpation) (1815), an crucial pamphlet against Napoleon a novel Adolphe, De la religion'' (1824-1831), the 5-volume history of ancient religion.