黑洞防火墙的概念挑战了我们对量子力学和广义相对论的理解。
A real decision is measured by the fact that you've taken a new action. If there's no action, you haven't truly decided.
Olympism seeks to create a way of life based on the joy found in effort, the educational value of a good example and respect for universal fundamental ethical principles.
Waste is merely a resource we haven’t learned to value yet.