“Lack of friends means, stranger in one's own country.”

“It is not reasonable they should be solely employed in the study of the Greek and Latin authors, and having no curiosity to become acquainted with the writers of their own nation, remain always strangers in their own country.”

“A friend may be waiting behind a stranger's face.”

“Friends, we're hardly strangers at meeting danger.”

“Even your future wife / husband will be a complete stranger. Therefore, don't limit yourself to making more friends. At the same time, that doesn't mean not choosing wisely.”

“We had been friends. We could not become strangers. It left only one thing: we must be enemies.”

“We see a friend’s eye as one and indivisible. A stranger’s eye we take in part by part: the white, the iris, and the pupil.”

“There are no strangers in here, just friends you haven't met…”

“Fear makes strangers of people who would be friends.”

“There are no strangers, only friends you have not met yet.”