I see no good reason why the views given in this volume should shock the religious feelings of any one. - Charles Darwin

Man has an instinctive tendency to speak, as we see in the babble of our young children, but no child has an instinctive tendency to bake, brew, or write.

I have stated, that in the thirteen species of ground-finches, a nearly perfect gradation may be traced, from a beak extraordinarily thick, to one so fine, that it may be compared to that of a warbler.

When a man merely speaks to, or just notices, his dog,we see the last vestige of these movements in a slight wag of the tail, without any other movement of the body, and without even the ears being lowered. Dogs also exhibit their affection by desiring to rub against their masters, and to be rubbed or patted by them.