[jimmaswell]

Society at large depends on the collective belief in society. It would stop existing tomorrow if everyone stopped pretending it existed. Laws, court rulings, road signs, it's all imaginary, but the collective illusion allows us to accomplish a lot more than than the alternative.

[card_zero]

Numbers, language, boundaries between physical objects, all imaginary. Space, time, meaning, France, you name it. Alternatively: all real.