The phrase "It is us today, you tomorrow" (or "Today us, tomorrow you") is not a statement by Emperor Haile Selassie I of Ethiopia. It is a widely circulated misattribution.
The expression is a variation of the Latin "Hodie mihi, cras tibi" ("Today me, tomorrow you")—a medieval memento mori reminder of mortality's universality. It appears on tombstones, in sermons, and in anti-war contexts across Europe.
It is us today. It will be you tomorrow.— referring to collective security failure.
Addressing the League after Italy's invasion: Throughout history, it has been the inaction of those who could have acted, the indifference of those who should have known better, the silence of the voice of justice when it mattered most, that has made it possible for evil to triumph.
His core argument: collective security fails if small nations are sacrificed.
Always check primary sources (League of Nations archives, Selassie's My Life and Ethiopia's Progress, reputable biographies) before attributing quotes to historical figures.