Absolutely lonely people have few personal interactions of any kind.

What a lovely surprise to finally discover how unlonely being alone can be.

Associate with men of good quality if you esteem your own reputation for it is better to be alone than in bad company.

Every man is born as many men and dies as a single one.

Love is our true destiny. We do not find the meaning of life by ourselves alone - we find it with another.

When so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

I finally faced the fact that it isn't a crime not having friends. Being alone means you have fewer problems.

Every man must do two things alone he must do his own believing and his own dying.

If it's true that our species is alone in the universe, then I'd have to say the universe aimed rather low and settled for very little.