Hi Meg, the origin of this quote is attributed to Prince Machiavelli. His thought was that anything can be done no matter what the consequences may be for the end result will be justified, the method used to attain it is of no consequence. More information may be found In Machiavelli, The student Prince. he is known to have said, "The prince must be the lion, but he must also know how to play the fox."
"There is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in it's success, than to take lead in the introduction of a new order of things" The Prince, Chap. 6
" There are tree classes of intellect; one which comprehends by itself; another which appreciates what others comprehend; and a third which neither comprehends by itself nor by the showing of others; the first is the most excellent; the second is good; the third is useless. Ibid, Chap 22
"Where the willingness is great, the difficulties cannot be great" Ibid, Chap 26
"God is not willing to do everything, and thus take away our free will and that share of glory which belongs to us" Ibid.
The Studen Prince.