When nature made the blue-bird she wished to propitiate both the sky and the earth, so she gave him the color of the one on his back and the hue of the other on his breast.

[T]he cold warms me—after a different fashion from that of the kitchen stove.

I am not going to advocate ... the abandoning of the improved modes of travel; but I am going to brag as lustily as I can on behalf of the pedestrian, and show how all the shining angels second and accompany the man who goes afoot, while all the dark spirits are ever looking out for a chance to ride.

The art of nature is all in the direction of concealment.

The fuel in the earth will be exhausted in a thousand or more years, and its mineral wealth, but man will find substitutes for these in the winds, the waves, the sun's heat, and so forth.

[Invading Iraq] is not the best way to make a safer world in which the United States would be a responsible partner, but it also goes against the role of law in the United States.

One can return to their place of birth, but one cannot go back to your youth.