Source: The Next Development in Man (1948), p. 251
“And there seemed no power in nature sufficient to begin the formation of my character anew, and create in a mind now irretrievably analytic, fresh associations of pleasure with any of the objects of human desire.”
Autobiography (1873)
Context: I had obtained some distinction, and felt myself of some importance, before the desire of distinction and of importance had grown into a passion: and little as it was which I had attained, yet having been attained too early, like all pleasures enjoyed too soon, it had made me blasé and indifferent to the pursuit. Thus neither selfish nor unselfish pleasures were pleasures to me. And there seemed no power in nature sufficient to begin the formation of my character anew, and create in a mind now irretrievably analytic, fresh associations of pleasure with any of the objects of human desire.
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John Stuart Mill 179
British philosopher and political economist 1806–1873Related quotes

“Education has for its object the formation of character.”
Pt. II, Ch. 17 : The Rights of Children
Social Statics (1851)
Context: Education has for its object the formation of character. To curb restive propensities, to awaken dormant sentiments, to strengthen the perceptions, and cultivate the tastes, to encourage this feeling and repress that, so as finally to develop the child into a man of well proportioned and harmonious nature — this is alike the aim of parent and teacher.
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 491.

As quoted in Cosmos (1980) by Carl Sagan.

"Take Heed that Ye Love not Human Glory in any Respect," A Select Library of Nicene and Post-Nicene Fathers, vol. 11, p. 66

Lecture II : The Universal Categories, §3. Laws: Nominalism, CP 5.62
Pragmatism and Pragmaticism (1903)

Benedetto Croce, The Philosophy of Giambattista Vico. trans. R. G. Collingwood, London 1923.