The shirt reads: "The questions isn't who is going to let me, it's who is going to stop me. -Ayn Rand"  

"The quote refers to Rand’s capitalist-based theory of objectivism — that the moral purpose of life is rational self interest — a concept we highly doubt is taught in high school classrooms or discussed among teen lunchroom conversations," writes Courtney Subramanian at Time. "And it’s not much of a theory to stand by for an age group that still financially relies on their parents."

This tweet, by Think Progress editor Judd Legum, also mocks the shirt: