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.
The most powerful natural species are those that adapt to environmental change without losing their fundamental identity which gives them their competitive advantage.
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.
