Over time, as you judge, judge, judge, you invariably judge people. You judge yourself. You separate yourself from everything, and then you end up lonely.

Naval Ravikant

Perhaps only those people who are capable of real togetherness have that look of being alone in the world.

D. H. Lawrence

Do not feel lonely, the entire universe is within you.

Rumi

Sometimes you're going to have to let one person go a thousand different times, a thousand different ways, and there's nothing pathetic or abnormal about that. You are human.

Heidi Priebe

She had the perpetual sense, as she watched the taxi cabs, of being out, out, far out to sea and alone; she always had the feeling that it was very, very dangerous to live even one day.

Virginia Woolf

Being single isn't the cause of loneliness, and marriage is not necessarily the cure. There are many lonely married people as well.

Renee Jones