Only Force Will Stop Force

Hebrew translation:

(blue and red Hebrew letters under forearms)

Lam or Aleph 

Note: these are the assigned voting/registration letters used in Israeli elections

Lam represents the General Zionist Party (the publisher of the poster)

Aleph represents the MAPAI Party, its opponent in the election

(white text following)

Only force will stop force

(blue text outside circle)

Vote

(white text at bottom)

General Zionist Party Center Party

_________________

Image source:

https://www.ader-paris.fr/lot/93391/9554799-affiche-israel-seule-la-force-arretera-la-force-affiche?