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

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

Even in the presence of others he was completely alone.

Absolutely lonely people have few personal interactions of any kind.

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.

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.

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

All men's miseries derive from not being able to sit in a quiet room alone.

Living alone makes it harder to find someone to blame.

It is strange to be known so universally and yet to be so lonely.