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.

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.

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.

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

The best part about being alone is that you really don't have to answer to anybody. You do what you want.

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.

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

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

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