Social group

"The Constitution favors no racial group, no political or social group."

"When there is a range of opinion in the group, communications tend to be directed towards those members whose opinions are at the extremes of the range."

"All social cooperation on a larger scale than the most intimate social group requires a measure of coercion."

"Any Organized social group is always a stratified social body. There has not been and does not exist any permanent social group which is "flat" and in which all members are equal."

"Every living thing loves its own kind,"