“Assume you will make enemies. Work to make allies. Don't expect to make friends. Friends are a gift that happens over time.”
“We ought so to behave to one another as to avoid making enemies of our friends, and at the same time to make friends of our enemies.”
“If you want to make peace, you don't talk to your friends. You talk to your enemies.”
“common enemies make enemies become friends!”
“The friends you make in college are friends you'll have for life, even if you don't talk for years at a time.”
“And friends don't let other friends make drunken declarations and expect them to act upon them the next day.”