A man content to go to heaven alone will never go to heaven.

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

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

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

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.

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

The time you feel lonely is the time you most need to be by yourself.

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

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

Even in the presence of others he was completely alone.