Alone we can do so little together we can do so much.

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

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 miseries derive from not being able to sit in a quiet room alone.

Every man is born as many men and dies as a single one.

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

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

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

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

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