To the dull mind nature is leaden. To the illumined mind the whole world burns and sparkles with light.

Nature is the incarnation of thought. The world is the mind precipitated.

Nature never wears a mean appearance. When we speak of nature in this manner, we have a distinct but most poetical sense of mind.

To the attentive eye, each moment of the year has its own beauty, and in the same field, it beholds, every hour, a picture which was never seen before, and which shall never be seen again

What's a book? Everything or nothing. The eye that sees it all.

For if in any manner we can stimulate this instinct, new passages are opened for us into nature, the mind flows into and through things hardest and highest, and the metamorphosis is possible