If I shall sell both my forenoons and afternoons to society, as most appear to do, I am sure that for me there would be nothing left worth living for. I trust that I shall never thus sell my birthright for a mess of pottage.—"Life Without Principle"
I live in the present. I only remember the past, and anticipate the future.—Thoreau to H. G. O. Blake, 27 March 1848
Both for bodily and mental health, court the present.—Journal, 28 December 1852
Ask me for a certain number of dollars if you will, but do not ask me for my afternoons.—Journal, 16 September 1859