Perish those who said our good things before we did. [Lat., Pereant qui ante nos nostra dixerent.]

To the devil with those who published before us. [Lat., Pereant qui ante nos nostra dixerunt.]

Confound those who have said our remarks before us

Perish those who said our good things before we did.

The similarity of thoughts or the point of view between the two persons may appear a case of like-mindedness, but the fact could be one is trying to snatch the credit of others for own selfishness.

Bush used that line recently. I should sue him for plagiarism.