“It is not clear that intelligence has any long-term survival value.”

“It has yet to be proven that intelligence has any survival value.”

“I have always believed in the principle that immediate survival is more important than long-term survival.”

“Friendship is unnecessary, like philosophy like art... It has no survival value; rather it is one of those things that give values to survival.”

“Friendship is unnecessary, like philosophy, like art.... It has no survival value; rather it is one of those things which give value to survival.”

“The study of the past helps us to appreciate that the ideas and values of our own age are just as provisional and transient as those of bygone ages. The intelligent and reflective engagement with the thought of a bygone era ultimately subverts any notion of "chronological snobbery". Reading texts from the past makes it clear that what we now term "the past" was once "the present", which proudly yet falsely regarded itself as having found the right intellectual answers and moral values that had eluded its predecessors.”