All the great naturalists have been habitual walkers, for no laboratory, no book, car, train or plane takes the place of honest footwork for this calling, be it amateur's or professional's.

All the great naturalists have been habitual walkers, for no laboratory, no book, car, train or plane takes the place of honest footwork for this calling, be it amateur's or professional's.

What is a weed? I have heard it said that there are sixty definitions. For me, a weed is a plant out of place.

Time is not money; time is an opportunity to live before you die. So a man who walks, and lives and sees and thinks as he walks, has lengthened his life.

A word, a smile, and the stranger at your elbow may become an interesting friend. All through life we deny ourselves stimulating fellowship because we are too proud or too afraid to unbend.

There are always some of us, not a few, in every generation, who go over wholly to the green flag. It is such a passionless fealty, so reticent a love, that neither do trumpets sound for it nor quarrels arise from it. Only, you will find that those who have pledged allegiance are happy about it in quiet.

I have often started off on a walk in the state called mad-mad in the sense of sore-headed, or mad with tedium or confusion; I have set forth dull, null and even thoroughly discouraged. But I never came back in such a frame of mind, and I never met a human being whose humor was not the better for a walk.