He graduated at Seville University in 1564 and later studied at Salamanca and AlcalÃ . From 1571 to 1588 held a post in the treasury . He graduated at Seville University in 1564 , studied later at Salamanca and AlcalÃ , and from 1571 to 1588 held a post in the treasury ; in 1594 he was arrested on suspicion of malversation , but was speedily released .