The only real progress lies in learning to be wrong all alone.

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.

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

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

I restore myself when I'm alone.

As I get older I'm more and more comfortable being alone.

Unless we love and are loved, each of us is alone, each of us is deeply lonely.

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.

All men's misfortunes spring from their hatred of being alone.

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