Luis de León writing language Spanish
Later life
Fray Luis continued to teach at the university, being awarded a special chair at the end of 1576, shortly after his acquittal. In 1578 he obtained, for life, the chair of Moral Philosophy, and in 1579 was elected to the most significant chair in the university, the Chair of Holy Scripture (sometimes known as the chair of Biblical Studies or the Bible Chair).
He went on to earn a Master of the Arts degree from the University of Sahagún.
Fray Luis did not pay heed to the cautionary admonishments of the Inquisitorial committee after his earlier imprisonment.  In 1582, he had another Inquisitional run-in, following three disputations held on the subject of the merits of Christ and human predestination, but was not this time imprisoned.  He was absolved two years later, in 1584.
Fray Luis's first published Spanish and Latin works emerged in 1580, some having been begun in prison; most of his works were printed during this decade. Between 1583 and 1585 he published the three books of his celebrated treatise, The Names of Christ, which he had written in prison. In 1583 also appeared the most popular of his prose works, The Perfect Wife, an instruction for newly married women.
In 1588, Fray Luis published the first collected edition of the writings of Teresa of Ávila. To produce this work, he had performed the task of collating her manuscripts, checking references and notes, and preparing a definitive text (although Teresa and León were both in Salamanca in late 1570, it is not believed they ever met in their lifetimes).
He died at the age of 64 on 23 August 1591, in Madrigal de las Altas Torres, Ávila, and is buried in Salamanca in the Priory of San Agustín. Ten days before his death he was elected Vicar General of the Augustinian Order.
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