As liberty of thought is absolute, so is liberty of speech, which is 'inseparable' from the liberty of thought. Liberty of speech, moreover, is essential not only for its own sake but for the sake of truth, which requires absolute liberty for the utterance of unpopular and even demonstrably false opinions.

For Rousseau and Mandeville the absence of a moral instinct meant the laws of society had no moral validity, they were nothing but the inventions of the cunning and the powerful, in order to maintain or to acquire an unnatural and unjust superiority over the rest of their fellow creatures.

In its sentimental mode, compassion is an exercise in moral indignation, in feeling good rather than doing good ... In its unsentimental mode, compassion seeks above all to do good.

Nothing is as seductive as the assurance of success.

As liberty of thought is absolute, so is liberty of speech, which is 'inseparable' from the liberty of thought. Liberty of speech, moreover, is essential not only for its own sake but for the sake of truth, which requires absolute liberty for the utterance of unpopular and even demonstrably false opinions.

The real movement of history, it turns out, is fueled not by matter but by spirit, by the will to freedom.

The footnote would seem to be the smallest detail in a work of history. Yet it carries a large burden of responsibility, testifying to the validity of the work, the integrity (and the humility) of the historian, and to the dignity of the discipline.