Nice catch. This webpage even gives a source:
Nam et ipsa scientia potestas est.
Knowledge is power. (also seen as knowledge itself is power
~Francis Bacon (1561–1626)
Source: Meditationes Sacræ. De Hæresibus.
A wise man is strong; yea, a man of knowledge increaseth strength.
~Proverbs xxiv. 5.
Knowledge is more than equivalent to force.
~Samuel Johnson: Rasselas, chap. xiii.