I learned to regard man as an inhabitant, or a part and parcel of nature, rather than a member of society.
Henry David ThoreauEvery man who has ever been earnest to preserve his higher or poetic faculties in the best condition, has been particularly inclined to abstain from animal food
Henry David ThoreauMeasure your health by your sympathy with morning and spring. If there is no response in you to the awakening of nature -if the prospect of an early morning walk does not banish sleep, if the warble of the first bluebird does not thrill you -know that the morning and spring of your life are past. Thus may you feel your pulse.
Henry David Thoreau