I love to be alone. I never found the companion that was so companionable as solitude.

The time you feel lonely is the time you most need to be by yourself.

Even in the presence of others he was completely alone.

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.

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

Look at the sky. We are not alone. The whole universe is friendly to us and conspires only to give the best to those who dream and work.

Only the lonely know the way I feel tonight.

We are all sentenced to solitary confinement inside our own skins, for life.

The best part about being alone is that you really don't have to answer to anybody. You do what you want.

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