The Basis of Morality by Part 2 Chapter 5 Page 14

general natural law, but cannot possibly be wished for.

I beg the reader to reflect that the rule of injustice, the reign of might instead of right, which in the Kantian view is not even thinkable as a natural law, is in reality, and in point of fact, the dominant order of things not only in the animal kingdom, but among men as well. It is true that an attempt has been made among civilised peoples to obviate its injurious effects by means of all the machinery of state government; but as soon as this, wherever, or of whatever kind, it be, is suspended or eluded, the natural law immediately resumes its sway. Indeed between nation and nation it never ceases to prevail; the customary jargon about justice is well known to be nothing but diplomacy's official style; the real arbiter is brute force.