Origins of ‘Do what thou wilt’.

The term “Do what thou wilt shall be the whole of the Law.”
attributed to Aleister Crowley (1875 – 1947) was likely
adapted from the term “Do what thou wilt” attributed to
François Rabelais (1493 – 1553), a French humanist writer
of satirical romances.
Or, both men may have have acquired it from the Christian
theologian St. Augustine of Hippo (354 – 430) who wrote..
“Love, and do what thou wilt.”