All of our unhappiness comes from our inability to be alone.

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

If you are lonely when you're alone, you are in bad company.

I restore myself when I'm alone.

Even in the presence of others he was completely alone.

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

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

Absolutely lonely people have few personal interactions of any kind.

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

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