A rose by any other name would smell as sweet

= lo importante es lo que eres no cómo te llamas
Ex: The article 'Name searching of chemical compounds: a rose by any other name' describes methods of searching chemical compounds by names or name fragments.

Meaning
A suggestion that a thing is what it is, not what it is called.
Origin
From Shakespeare's Romeo and Juliet. Wally Argus, a correspondent from Alabama, reports that the reference was a side-swipe that the Globe Theatre's rival the Rose Theatre which had less than effective sanitary arrangements.