Solitude is an attitude of the mind - not in the forrest

 (from "Maharshi's Gospel"):

 D: Is a vow of silence useful?

Ramana Maharshi: The inner silence is self-surrender. And that is living without the sense of ego.

D: Is solitude necessary for a sannyasin?

Ramana Maharshi:: Solitude is in the mind of a man. One might be in the thick of the world and yet maintain perfect serenity of mind; such a person is always in solitude.

Another may stay in the forest, but still be unable to control his mind. He cannot be said to be in solitude. Solitude is an attitude of the mind; a man attached to the things of life cannot get solitude, wherever he may be.

A detached man is always in solitude.