There cannot any one moral rule be proposed whereof a man may not justly demand a reason. Every man has a property in his own person. This nobody has any right to but himself. The people cannot delegate to government the power to do anything which would be unlawful for them to do themselves.
John LockeIt is practice alone that brings the powers of the mind, as well as those of the body, to their perfection.
John LockeMoral laws are set as a curb and restraint to these exorbitant desires, which they cannot be but by rewards and punishments, that will over-balance the satisfaction any one shall propose to himself in the breach of the law.
John LockeBrutes abstract not. -- If it may be doubted, whether beasts compound and enlarge their ideas, that way, to any degree; this, I think, I may be positive in, that the power of abstracting is not at all in them; and that the having of general ideas is that which puts a perfect distinction betwixt man and brutes, and is an excellency which the faculties of brutes do by no means attain to.
John Locke