onus probandi

The onus probandi is with those who assail a teaching which is, and has long been, in possession.

From An Essay on the Development of Christian Doctrine by John Henry Cardinal Newman

I say, on the supporters of Home Rule rests the onus probandi; they are the people who should show cause, let them prove their case in its favour.

From Ireland as It Is And as It Would be Under Home Rule by Robert John Buckley

But still the onus probandi lies with those who maintain the Sinhalese origin of any part of the Pali Canon and two strong arguments support the Indian origin of the major part.

From Hinduism and Buddhism, An Historical Sketch, Vol. 1 by Sir Charles Eliot

Thus he lodges the onus probandi with those who impugn the received accounts; but Mr. Grote and Sir George Lewis throw it upon those who defend them.

From An Essay In Aid Of A Grammar Of Assent by John Henry Newman

The onus probandi would fall upon any one purporting to be descended from the said Samuel, and we know how uncommonly difficult said person would find it to prove anything.

From Birds of Prey by M. E. (Mary Elizabeth) Braddon