Work performed with attachment is a shackle, whereas work performed with detachment does not affect the doer.

Devotee: Is solitude necessary for a Jnani?

Ramana Maharishi: Solitude is in the mind of man. One might be in the thick of the world and maintain serenity of mind; such a one is in solitude.  Another may stay in a forest, but still be unable to control his mind.  He cannot be said to be in solitude. Solitude is a function of the mind. A man attached to desire cannot get solitude wherever he may be; a detached man is always in solitude.

Devotee: So then, one might be engaged in work and be free from desire and keep up solitude. Is it so?

Ramana Maharishi: Yes. Work performed with attachment is a shackle, whereas work performed with detachment does not affect the doer. He is, even while working, in solitude.