English

Noun

all one

1. A matter of indifference; a matter having no importance or consequence.
   • 1602, William Shakespeare, Troilus and Cressida, act 1, sc. 1:

     But what care I? I care not an she were a black-a-moor; 'tis all one to me.

   • 1843, Charles Dickens, Martin Chuzzlewit, ch. 3:

     Near or distant, blood or water, it's all one.

   • 1917, Joseph Conrad, "The Tale":

     And sometimes he had some preliminary information to help him, and sometimes he had not. And it was all one, really. It was about as useful as information trying to convey the locality and intentions of a cloud.

References

• all one at OneLook Dictionary Search