Preface, pp. x-xi.
The Revival of Aristocracy (1906)
“Here am I who have written on all sorts of subjects calculated to excite hostility, moral, political, and religious, and yet I have no enemies — except, indeed, all the Whigs, all the Tories, and all the Christians.”
Statement to a friend shortly before his death, as recounted in Men of Letters by Lord Henry Brougham
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David Hume 138
Scottish philosopher, economist, and historian 1711–1776Related quotes

As quoted in "Ba Jin", obituary in The Times (25 October 2005) http://www.timesonline.co.uk/tol/comment/obituaries/article582233.ece?print=yes&randnum=1195994894125

Nobel Peace prize acceptance speech (1985)
Context: I am convinced that today is a great and exciting day not only for the members of our international movement but also for all physicians on our planet, irrespective of their political and religious beliefs. For the first time in history, their selfless service for the cause of maintaining life on Earth is marked by the high Nobel Prize. True to the Hippocratic Oath, we cannot keep silent knowing what final epidemic-nuclear war — can bring to humankind. The bell of Hiroshima rings in our hearts not as a funeral knell, but as an alarm bell calling out to actions to protect life on our planet.
We were among the first to demolish the nuclear illusions that existed and to unveil the true face of nuclear weapons — the weapons of genocide. We warned the peoples and governments that medicine would be helpless to offer even minimal relief to the hundreds of millions of victims of nuclear war.
However, our contacts with patients inspire our faith in the human reason. Peoples are heedful of the voice of physicians who warn them of the danger and recommend the means of prevention.
Gene, on the enemy.
Source: A Separate Peace (1959), P. 196

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The Differential and Integral Calculus (1836)
Seeker's Guide to Self-Freedom

Source: Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry (1871), Ch. II : The Fellow-Craft, p. 44
Context: From the political point of view there is but a single principle,— the sovereignty of man over himself. This sovereignty of one's self over one's self is called Liberty. Where two or several of these sovereignties associate, the State begins. But in this association there is no abdication. Each sovereignty parts with a certain portion of itself to form the common right. That portion is the same for all. There is equal contribution by all to the joint sovereignty. This identity of concession which each makes to all, is Equality. The common right is nothing more or less than the protection of all, pouring its rays on each. This protection of each by all, is Fraternity.
Liberty is the summit, Equality the base. Equality is not all vegetation on a level, a society of big spears of grass and stunted oaks, a neighborhood of jealousies, emasculating each other. It is, civilly, all aptitudes having equal opportunity; politically, all votes having equal weight; religiously, all consciences having equal rights.

Speech http://hansard.millbanksystems.com/commons/1839/mar/15/corn-laws-adjourned-debate-fourth-night in the House of Commons (15 March 1839).