A competent view of the world can never be got as a gift; we must acquire it by hard work.


Translated by Thomas J. McCormack, The Science of Mechanics: A Critical and Historical Account of Its, Development Science of Mechanics, Chapter IV (p. 465)


A competent view of the world can never be got as a gift; we must acquire it by hard work.

A competent view of the world can never be got as a gift; we must acquire it by hard work.

A competent view of the world can never be got as a gift; we must acquire it by hard work.

A competent view of the world can never be got as a gift; we must acquire it by hard work.