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

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

Absolutely lonely people have few personal interactions of any kind.

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

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

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

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

As I get older I'm more and more comfortable being alone.

Only the lonely know the way I feel tonight.

There are places and moments in which one is so completely alone that one sees the world entire.