“The satisfaction arising from the indulgent opinion entertained by the American People of my conduct, will, I trust, be some security for preventing me from doing any thing, which might justly incur the forfeiture of that opinion. And the consideration that human happiness and moral duty are inseparably connected, will always continue to prompt me to promote the progress of the former, by inculcating the practice of the latter.”

Chpt.2, p. 8
Principles of Geology (1832), Vol. 1
Context: The marks of former convulsions on every part of the surface of our planet are obvious and striking. The remains of marine animals imbedded in the solid strata are so abundant, that they may be expected to force themselves on the observation of every people who have made some progress in refinement; and especially where one class of men are expressly set apart from the rest for study and contemplation.... Those modern writers, who are disposed to disparage the former intellectual advancement and civilization of eastern nations, might concede some foundation of observed facts for the curious theories now under consideration, without indulging in exaggerated opinions of the progress of science; especially as universal catastrophes of the world, and exterminations of organic beings, in the sense in which they were understood by the Brahmin, are untenable doctrines.

Federalist No. 10
1780s, Federalist Papers (1787–1788)

Source: Better-World Philosophy: A Sociological Synthesis (1899), Egoism and Altruism, p. 92

The First Part, Chapter 11, p. 47.
Leviathan (1651)
Context: Felicity is a continual progress of the desire from one object to another, the attaining of the former being still but the way to the latter. The cause whereof is that the object of man's desire is not to enjoy once only, and for one instant of time, but to assure forever the way of his future desire. And therefore the voluntary actions and inclinations of all men tend not only to the procuring, but also to the assuring of a contented life, and differ only in the way, which ariseth partly from the diversity of passions in diverse men, and partly from the difference of the knowledge or opinion each one has of the causes which produce the effect desired.

Response to the closing question of whether she hadn't "indeed come to the conclusion that your conduct and the actions along with your brother and other persons in the present phase of the war should be seen as a crime against the community, but in particular against our troops fighting arduously in the east, that merits the severest sentence?" in the official examination transcripts (February 1943); Bundesarchiv Berlin, ZC 13267, Bd. 3 http://www.bpb.de/themen/5H3ZT3,3,0,Ausz%FCge_aus_den_Verh%F6rprotokollen_von_Sophie_Scholl.html#art3

Source: Guide for the Perplexed (c. 1190), Part III, Ch.31

A 10
Aphorisms (1765-1799), Notebook A (1765-1770)

Source: Pride and Prejudice