V. Those philosophers, said he, whose system I approve of, consider that as soon as an animal is born, (for this is where we must begin,) he is instinctively induced and excited to preserve himself and his existing condition, and to feel attachment to those things which have a tendency to preserve that condition; and to feel an abhorrence of dissolution, and of those circumstances which appear to be pregnant with dissolution. And they prove that this is the case, because, before either pleasure or pain has affected it, even while it is very little, it seeks what is salutary, and shuns the contrary: and this would not be the case if they were not fond of their condition, and afraid of dissolution; and it would not be possible for them to seek any particular thing if they had not some sense of themselves, and if that did not influence them to love themselves and what belongs to them. From which it ought to be understood that it is from the animal itself that the principle of self-love in it is derived. But among these natural principles of self-love most of the Stoics do not admit that pleasure ought to be classed; and I entirely agree with them, to avoid the many discreditable things which must ensue if nature should appear to have placed pleasure among those things which are the first objects of desire. But it appears to be proof enough why we naturally love those things which are by nature placed in the first rank, that there is no one, who, when either alternative is equally in his power, would not prefer to have all the parts of his body in a suitable and entire condition, rather than impaired by use, or in any particular distorted or depraved.