成功不是终点,失败也并非致命,重要的是继续前进的勇气。
The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
Memory is identity... You are what you have done; what you have done is in your memory; what you remember defines who you are.
There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.
The holographic principle suggests that the information content of a region of space can be thought of as encoded on the boundary of that region.