Godwin was greatly struck with this letter.

Indeed, he must have been "or God or beast," like the insensible man in Aristotle's "Ethics", if he could have resisted the devotion of so splendid and high-spirited a nature, poured forth in language at once so vehement and so convincingly sincere.

He accepted the responsible post of Shelley's Mentor; and thus began a connexion which proved not only a source of moral support and intellectual guidance to the poet, but was also destined to end in a closer personal tie between the two illustrious men.
In his second letter Shelley told Godwin that he was then engaged in writing "An inquiry into the causes of the failure of the French Revolution to benefit mankind," adding, "My plan is that of resolving to lose no opportunity to disseminate truth and happiness." Godwin sensibly replied that Shelley was too young to set himself up as a teacher and apostle: but his pupil did not take the hint.

A third letter (January 16, 1812) contains this startling announcement: "In a few days we set off to Dublin.

I do not know exactly where, but a letter addressed to Keswick will find me.