Quote by Kenneth Arrow

"It is impossible to be logical about illogical things."

"The most important thing is that the two people really do love each other."

"Social choice theory is concerned with the aggregation of individual preferences into a collective decision."

"I think it is appropriate to have an implicit social contract."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."