morality × 186
rights × 139
epistemology × 113
government × 106
politics × 85
ethics × 83
culture × 58
psychology × 58
philosophy × 52
values × 45
capitalism × 41
religion × 35
altruism × 32
children × 22
collectivism × 22
education × 21
sacrifice × 18
life × 17
love × 17
individualism × 16
parenting × 16
welfare × 15
egoism × 12
selfishness × 12
charity × 11
environmentalism × 11
logic × 10
socialism × 10
military × 8
christianity × 7
benevolence × 6
human-nature × 6
rhetoric × 6
self-interest × 6
duty × 5
death × 4
police × 4
intellectual × 3
liberty × 3
poverty × 3
extinction × 2
firefighting × 2
package-deal × 2
media × 1
peace-corps × 1
reform × 1