Sheridan left his acting career, although he continued to manage theatre companies and occasionally play bit parts, and moved permanently to England with his family in 1758.
Being an Essay towards proving, that the Immorality, Ignorance, and false Taste, which so generally prevail, are the natural and necessary Consequences of the present to defective System of Education.
With an attempt to shew, that a revival of the Art of Speaking, and the Study of Our Own Language, might contribute, in a great measure, to the Cure of those Evils (1756).
He lived in London for a number of years before moving to Bath where he founded an academy for the regular instruction of Young Gentlemen in the art of reading and reciting and grammatical knowledge of the English tongue.
In British Education, Sheridan writes that preaching from the pulpit "must either effectually support religion against all opposition, or be the principal means of its destruction".
Sheridan believed that elocution was not restricted to the voice, but embodied the entire person with facial expressions, gestures, posture, and movement.
Besides establishing the points previously mentioned, the quote also offers a more narrow definition of rhetoric that seems to be influenced by Peter Ramus.
He uses the example of someone saying in a calm demeanour, "My rage is rouzed to a pitch of frenzy, I can not command it: Avoid me, be gone this moment, or I shall tear you to pieces" to show the importance of tones to a message.