The Truth is an 1870 oil-on-canvas painting by the French painter Jules Joseph Lefebvre. It is on display in the Musée d'Orsay, in Paris, where it has been displayed since 1982.
La Vérité, par Jules Joseph Lefebvre
La Vérité sortant du puits armée de son martinet pour châtier l'humanité is an 1896 painting by the French artist Jean-Léon Gérôme.
The Truth (Lefebvre)
…a well, imagery which would also be used by other French artists in the late nineteenth century, most notably several works by Jean-Léon Gérôme (see Truth Coming Out of Her Well). It is seemingly derived from an aphorism by the Ancient Greek philosopher Democritus: "Of truth [aletheia] we know nothing, for truth is in a well…
Jean Léon Gerome 1896 La Vérité sortant du puits
La Vérité (c. 1879) by Paul Baudry, Musée d'Orsay
La Vérité (1883) by Jules-Arsène Garnier [fr], private collection
Mendacibus et histrionibus occisa in puteo jacet alma Veritas (The nurturer Truth lies in a well, having been killed by liars and actors, 1895) by Jean-Léon Gérôme