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

The only real progress lies in learning to be wrong all alone.

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.

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

Absolutely lonely people have few personal interactions of any kind.

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

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

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

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

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.