“When I treat a man contemptuously, I can inspire him with no practical desire to appreciate my grounds of truth. When I treat any one as worthless, I can inspire him with no desire to do right.”
Part III : Selection on Education from Kant's other Writings, Ch. I Pedagogical Fragments, # 15
The Educational Theory of Immanuel Kant (1904)
Context: The more one presupposes that his own power will suffice him to realize what he desires the more practical is that desire. When I treat a man contemptuously, I can inspire him with no practical desire to appreciate my grounds of truth. When I treat any one as worthless, I can inspire him with no desire to do right.
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Immanuel Kant 200
German philosopher 1724–1804Related quotes

“You can easily judge the character of a man by how he treats those who can do nothing for him.”
Source: Leaders Eat Last: Why Some Teams Pull Together and Others Don't

“The true measure of a man is how he treats someone who can do him absolutely no good.”

This was in reply to to Gandhiji’s refusal to take medicine as it was not made in India in page=94
Remembering Our Leaders: Mahadeo Govind Ranade by Pravina Bhim Sain

The Issue (1908)
Context: Now my friends, I am opposed to the system of society in which we live today, not because I lack the natural equipment to do for myself, but because I am not satisfied to make myself comfortable knowing that there are thousands of my fellow men who suffer for the barest necessities of life. We were taught under the old ethic that man's business on this earth was to look out for himself. That was the ethic of the jungle; the ethic of the wild beast. Take care of yourself, no matter what may become of your fellow man. Thousands of years ago the question was asked: "Am I my brother's keeper?" That question has never yet been answered in a way that is satisfactory to civilized society.
Yes, I am my brother's keeper. I am under a moral obligation to him that is inspired, not by any maudlin sentimentality, but by the higher duty I owe to myself. What would you think of me if I were capable of seating myself at a table and gorging myself with food and saw about me the children of my fellow beings starving to death?

from a long unpublished notebook of Berthe Morisot, 1890; as cited in Berthe Morisot, Jean-Dominique Rey; translation in English, Flammarion, S.A. (ISBN: 978-2-08-020345-8), Paris, 2010, 2016, p. 14
1881 - 1895