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.
Love is our true destiny. We do not find the meaning of life by ourselves alone - we find it with another.
When so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone.
Associate with men of good quality if you esteem your own reputation for it is better to be alone than in bad company.
Always give a word or sign of salute when meeting or passing a friend, or even a stranger, if in a lonely place.
sign of salute, meeting, alone
It's often just enough to be with someone. I don't need to touch them. Not even talk. A feeling passes between you both. You're not alone.