Why would people pay any price for stocks if there weren't some way to get money out?

如果投进去的钱根本拿不出来,人们为什么还要买股票呢

耶鲁公开课 - 金融市场课程节选

Bank failures occur when there's not enough gold in the vault and then people start asking for the gold and the goldsmith banker doesn't have it to give out.

当金库没有足够的黄金时,银行就会倒闭,因为当人们开始索要黄金时,金匠银行家却拿不出来

耶鲁公开课 - 金融市场课程节选