Some will, no doubt, disagree with this one. The same actions under the same conditions produce the same results. A Law that is generally non-demonstrable. Very few are skilled enough to replicate one of these conditions, much less all three of them simultaneously. The Three-fold Rule is an example of the Law of Returns.
Greater understanding produces greater influence though greater affinity.
Greater understanding of self produces greater influence though greater affinity. Having greater knowledge of a manifestation's true and complete name leads to greater affinity and influence. Having greater knowledge of words of power leads to greater affinity and influence. Having greater knowledge of a manifestation's true and complete name leads to greater affinity and influence. Greater common characteristics between two manifestations combined with greater knowledge of the commonalties produces greater affinity and influence.