Henri-Benjamin Constant lahir di Lausanne dari keluarga Constant de Rebecque. Pada tahun 1787, ia kembali ke benua Eropa, dengan melakukan perjalanan menggunakan kuda melalui Skotlandia dan Inggris. Di Paris, di rumah Jean-Baptiste-Antoine Suard ia berkenalan dengan Isabelle de Charrière, seorang wanita Belanda berusia 46 tahun, yang kemudian membantu menerbitkan Pengakuan Rousseau.
Karya
De la Force du Gouvernement actuel et De la Necessite de s'y rallier (1796)
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