John William Cousin, A Short Biographical Dictionary of English Literature… (1910)
“ He sat in Parliament for Hull, proving himself an assiduous and incorruptible member, with strong republican leanings. In spite of this he was a favourite of Charles II., who took pleasure in his society, and offered him a place at Court, and a present of £1000, which were both declined. In his own day he was best known as a powerful and fearless political writer, and for some time from 1657 was assistant to Milton as Latin Sec. ”
