„Any progress in the theory of partial differential equations must also bring about a progress in Mechanics.“

—  Carl Gustav Jakob Jacobi, Vorlesungen über Dynamik http://archive.org/details/cgjjacobisvorle00lottgoog [Lectures on Dynamics] (1842/3; publ. 1884).
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Felix Adler photo

„The freedom of thought is a sacred right of every individual man, and diversity will continue to increase with the progress, refinement, and differentiation of the human intellect.“

—  Felix Adler German American professor of political and social ethics, rationalist, and lecturer 1851 - 1933
Context: The freedom of thought is a sacred right of every individual man, and diversity will continue to increase with the progress, refinement, and differentiation of the human intellect. But if difference be inevitable, nay, welcome in thought, there is a sphere in which unanimity and fellowship are above all things needful. Believe or disbelieve as ye list — we shall at all times respect every honest conviction. But be one with us where there is nothing to divide — in action. Diversity in the creed, unanimity in the deed! This is that practical religion from which none dissents. This is that platform broad enough and solid enough to receive the worshipper and the "infidel." This is that common ground where we may all grasp hands as brothers, united in mankind's common cause.

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„Science is a differential equation. Religion is a boundary condition.“

—  Alan Turing British mathematician, logician, cryptanalyst, and computer scientist 1912 - 1954
Epigram to Robin Gandy (1954); reprinted in Andrew Hodges, Alan Turing: the Enigma (Vintage edition 1992), p. 513.

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„I have tried so far as I can to lead this country into the way of evolutionary progress, but I have tried to warn it against revolutionary progress, and I have tried to bring about a unity of spirit in the nation.“

—  Stanley Baldwin Former Prime Minister of the United Kingdom 1867 - 1947
Context: I have tried so far as I can to lead this country into the way of evolutionary progress, but I have tried to warn it against revolutionary progress, and I have tried to bring about a unity of spirit in the nation. I have done that, not only because it is right in itself, but because one watches this country becoming year by year more urbanised, more industrialised, and the potential dangers to this country becoming greater and greater lest at any time and in any way her communications, the constant flow of food and of raw materials, might ever be interrupted. Her life is an artificial life, and anything that tends to upset it, to break those cords and those strings, might ruin our country in a thousandth part of the time it has taken to build it up. Speech to the centenary dinner of the City of London Conservative and Unionist Association (2 July 1936), quoted in Service of Our Lives (1937), pp. 43-44.

Johann Gottlieb Fichte photo

„Upon the progress of knowledge the whole progress of the human race is immediately dependent: he who retards that, hinders this also.“

—  Johann Gottlieb Fichte German philosopher 1762 - 1814
Context: Upon the progress of knowledge the whole progress of the human race is immediately dependent: he who retards that, hinders this also. And he who hinders this, —what character does he assume towards his age and posterity? Louder than with a thousand voices, by his actions he proclaims into the deafened ear of the world present and to come —"As long as I live at least, the men around me shall not become wiser or better; — for in their progress I too, notwithstanding all my efforts to the contrary, should be dragged forward in some direction; and this I detest I will not become more enlightened, — I will not become nobler. Darkness and perversion are my elements, and I will summon all my powers together that I may not be dislodged from them." Αs translated by William Smith, in The Popular Works of Johann Gottlieb Fichte (1889), Vol. I, Lecture IV, p. 188.

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„The principle of the equal rights of every living being and the sacred will of the majority is infallible and must be invincible; all progress will be brought about by it, all, with a force truly divine. It will bring first the smooth bed-rock of all progress — the settling of quarrels by that justice which is exactly the same thing as the general advantage.“

—  Henri Barbusse French novelist 1873 - 1935
Context: I tell them that fraternity is a dream, an obscure and uncertain sentiment; that while it is unnatural for a man to hate one whom he does not know, it is equally unnatural to love him. You can build nothing on fraternity. Nor on liberty, either; it is too relative a thing in a society where all the elements subdivide each other by force. But equality is always the same. Liberty and fraternity are words while equality is a fact. Equality should be the great human formula — social equality, for while individuals have varying values, each must have an equal share in the social life; and that is only just, because the life of one human being is equal to the life of another. That formula is of prodigious importance. The principle of the equal rights of every living being and the sacred will of the majority is infallible and must be invincible; all progress will be brought about by it, all, with a force truly divine. It will bring first the smooth bed-rock of all progress — the settling of quarrels by that justice which is exactly the same thing as the general advantage.

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„This is the price that must be paid for progress and it is worth it.“

—  Hyman George Rickover United States admiral 1900 - 1986
Context: Everything new endangers something old. A new machine replaces human hands; a new source of power threatens old businesses; a new trade route wipes out the supremacy of old ports and brings prosperity to new ones. This is the price that must be paid for progress and it is worth it.

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