ALONE
Even in the presence of others he was completely alone.
presence of others, completely alone
All men's misfortunes spring from their hatred of being alone.
misfortunes spring, being alone
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.