Expect a most agreeable letter; for not being overburdened with subject (having nothing at all to say) I shall have no check to my Genius from beginning to end.
"Genius is divine perseverance." Divine patience I believe he originally used, perseverance is better in my opinion. Genius I cannot claim nor even extra brightness but perseverance all can have.
Seldom can philosophic genius be more usefully employed than in thus rescuing admitted truths from the neglect caused by the very circumstance of their universal admission.