who keeps company with the wolf will learn to howl

Alternative forms

 * who keeps company with wolves, will learn to howl

Etymology
Often attributed to Will Graves.

Proverb

 * 1) A person tends to take on the characteristics of those with whom he or she associates.

Translations

 * Chinese:
 * Mandarin:
 * Finnish: seura tekee kaltaisekseen
 * Japanese: