Man scans with scrupulous care the character and pedigree of his horses, cattle, and dogs before he matches them; but when he comes to his own marriage he rarely, or never, takes any such care.
It strikes me that all our knowledge about the structure of our Earth is very much like what an old hen would know of the hundred-acre field in a corner of which she is scratching.
Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult, at least I have found it so – than constantly to bear this conclusion in mind.
