The paper examines Kant's understanding of the Enlightenment. It derives fr
om Kant's ideas embodied in his writing A response to the question: What is
Enlightenment? The latter was followed by other writings, in which Kant ex
amined what he called the ability to think independently as an important ch
aracteristic of Enlightenment. In this sense the author pays attention also
to an important turn in Kant's thinking, by which he modified his original
approach to revolution (before this turn he saw the revolution as a sign o
f history verifying his prediction of the historical progress of man). Seve
ral remarkable interpretations of Kant's definition of Enlightenment in the
writings of J. Mittlestrass, M. Foucault and K. Kosik are mentioned as wel
l.