Christine M. Korsgaard

If you view yourself as having a value-conferring status in virtue of of your power of rational choice, you must view anyone who has the power of rational choice as having...a value conferring status.

Thus we find that the unconditioned condition of the goodness of anything is rational nature...To play this role, however, rational nature must itself be something of unconditional value--and end in itself.

[A} maxim's legal character must be intrinsic: it must have what I shall call 'lawlike form.' this is why legal character, or universality, must be understood as lawlike form, that is, as a requirement of universalizability.