Always give a word or sign of salute when meeting or passing a friend, or even a stranger, if in a lonely place.

Only the lonely know the way I feel tonight.

I don't want to be alone, I want to be left alone.

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

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.

It's often just enough to be with someone. I don't need to touch them. Not even talk. A feeling passes between you both. You're not alone.

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

I paint self-portraits because I am so often alone, because I am the person I know best.

I have so many different personalities in me and I still feel lonely.

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