最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。
Leadership is not about being in charge. It's about taking care of those in your charge.
宇宙不仅比我们想象的更奇怪,而且比我们能想象的还要奇怪。
"A poem is a small machine made out of words."
If you’re not uncomfortable, you’re not growing.
Architecture starts when you carefully put two bricks together. There it begins.
"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."