"With inconceivable rapidity, my feelings became elevated to the tone of my ideas. All my petty passions were stifled by the enthusiasm of truth, liberty and virtue; and the most astonishing thing is, that this fervour continued in my heart for more than four or five years, in a higher degree, perhaps, than has ever been the case with the heart of any other man."
January 1, 1970
https://en.wikiquote.org/wiki/Confessions_(Rousseau)