[1] He returned to Portugal for his preparatory studies, after which, in 1815, he enrolled at the University of Coimbra, obtaining his degree in Law in 1820.

[1] When the liberal government fell in June 1823, following the royalist Vilafrancada coup, Seabra tendered his resignation.

He retreated to his paternal family's house in Vila Flor, where he busied himself translating Horace's Satires and Epistles (which he would only publish in 1846) and studying rhetoric and natural philosophy.

[1] In 1836, he founded the political periodical O Independente and, that same year, was again elected to Parliament, although the September Revolution interrupted the works of the legislature before they began.

[1] In 1849, he published in Lisbon Observações sobre o artigo 630.º da Novíssima Reforma Judiciária ("Remarks on Article 630 of the New Judiciary Reform) and, in 1850, in Coimbra, the first volume of A Propriedade, Filosofia do Direito; para servir de introdução ao Comentário sobre a lei dos forais.

[1] By decree of 8 August 1850, he was trusted with the important mission of drawing up a civil code collecting and restating all private law of the kingdom, as mandated by the Constitutional Charter of 1826.

His last published work, in 1893, was a translation of Anne-Marie du Boccage's La Colombiade, dedicated to Queen Amélie of Orléans.