"For without friends", write Aristotle, in the Ethics, "no one would choose to live".
"Sir, I look upon every day to be lost, in which I do not make a new acquaintance." Samuel Johnson
"There can be no friendship without confidence, and no confidence without integrity." Samuel Johnson
"This is the happiest conversation", said Samuel Johnson, "where there is no competition, no vanity, but a calm interchange of sentiments".