Nature is on endless combination and repetition of a very few laws. She hums the old well-known air through innumerable variations.

Nature and human life are as various as our several constitutions. Who shall say what prospect life offers to another?

Nature is a personality so vast and universal that we have never seen one of her features. The walker in the familiar fields which stretch.

Nature should have been pleased to have made this age miserable, without it also ridiculous.

Nature whose heedless might, Casts, like some shipwrecked sailor, the poor babe, Naked and bleating on the shores of light?

Nature made the day for exercise, work and seeing to one's business; and it provides us with a candle, which is to say the bright and joyous.

Nature is full of teeth that come in one by one, then decay, fall out.

Nature shows that with the growth of intelligence comes increased capacity for pain, and it is only with the highest degree of intelligence.

Nature is inside art as its content, not outside as its model.

Nature and human life are as various as our several constitutions. Who shall say what prospect life offers to another?