Butterflies doing strange things in very beautiful ways were in my mind when I sat down, but by the time my pen was uncapped my thoughts had shifted to rocks.

The marsh, to him who enters it in a receptive mood, holds, besides mosquitoes and stagnation, melody, the mystery of unknown waters, and the sweetness of Nature undisturbed by man.

To be a Naturalist is better than to be a King.

Earth has few secrets from the birds.

Butterflies doing strange things in very beautiful ways were in my mind when I sat down, but by the time my pen was uncapped my thoughts had shifted to rocks.

A first walk in any new country is one of the things which makes life on this planet worth being grateful for.

I can only think of one experience which might exceed in interest a few hours spent under water, and that would be a journey to Mars.