We need the tonic of wildness...At the same time that we are earnest to explore and learn all things, we require that all things be mysterious and unexplorable, that land and sea be indefinitely wild, unsurveyed and unfathomed by us because unfathomable. We can never have enough of nature.

Death is beautiful when seen to be a law, and not an accident. It is as common as life.

Late in the afternoon we passed a man on the shore fishing with a long birch pole.... The characteristics and pursuits of various ages and races of men are always existing in epitome in every neighborhood. The pleasures of my earliest youth have become the inheritance of other men. This man is still a fisher, and belongs to an era in which I myself have lived.

As I drew a still fresher soil about the rows with my hoe, I disturbed the ashes of unchronicled nations who in primeval years lived under these heavens, and their small implements of war and hunting were brought to the light of this modern day.

Visit the Navy-Yard, and behold a marine, such a man as an American government can make, or such as it can make a man with its black arts - a mere shadow and reminiscence of humanity, a man laid out alive and standing, and already, as one may say, buried under arms with funeral accompaniments.

The man who goes alone can start today; but he who travels with another must wait till that other is ready.

There are nowadays professors of philosophy, but not philosophers