alone.
I paint self-portraits because I am so often alone, because I am the person I know best.
paint, portraits, alone, person
Even in the presence of others he was completely alone.
presence of others, completely 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
In Genesis, it says that it is not good for a man to be alone but sometimes it is a great relief.