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."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."