Who when examining in the cabinet of the entomologist the gay and exotic butterflies, and singular cicadas, will associate with these lifeless objects, the ceaseless harsh music of the latter, and the lazy flight of the former - the sure accompaniments of the still, glowing noonday of the tropics.

I see no good reasons why the views given in this volume should shock the religious views of anyone.

The most important factor in survival is neither intelligence nor strength but adaptability.

Often a cold shudder has run through me, and I have asked myself whether I may have not devoted myself to a fantasy.

... not one living species will transmit its unaltered likeness to a distant futurity.

I would give absolutely nothing for the theory of Natural Selection, if it requires miraculous additions at any one stage of descent.

About weak points [of the Origin] I agree. The eye to this day gives me a cold shudder, but when I think of the fine known gradations, my reason tells me I ought to conquer the cold shudder.