Thoreau writes to H. G. O. Blake:
It is my intention to leave Concord for Worcester, via Groton, at 12 o’clock on Friday of this week. Mr Emerson tells me that it will take about two hours to go by this way. At any rate I shall try to [secure] 3 or 4 hours in which to see you & Worcester before the lecture.
Yrs in haste
Henry D. Thoreau