The only real progress lies in learning to be wrong all alone.

Alone we can do so little together we can do so much.

Every man must do two things alone he must do his own believing and his own dying.

Associate with men of good quality if you esteem your own reputation for it is better to be alone than in bad company.

I love to be alone. I never found the companion that was so companionable as solitude.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

Even in the presence of others he was completely alone.

I paint self-portraits because I am so often alone, because I am the person I know best.

Absolutely lonely people have few personal interactions of any kind.

As I get older I'm more and more comfortable being alone.