Even in the presence of others he was completely alone.

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

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

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

You cannot be lonely if you like the person you're alone with.

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

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

Associate with men of good quality if you esteem your own reputation for it is better to be alone than in bad company.

I finally faced the fact that it isn't a crime not having friends. Being alone means you have fewer problems.

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