The ultimate situations - death, chance, guilt, and the uncertainty of the world - confront man with the reality of his existence.
终极情境——死亡、机会、罪恶和世界的不确定性——使人面对他存在的现实。
Man is an animal that makes bargains: no other animal does this no dog exchanges bones with another.
人是一种做交易的动物，没有其他动物会这样做，没有狗会和另一只狗交换骨头。
Sustainability is not just about technology, it's about creating a whole new ecosystem.
不要害怕挑战，因为挑战让你成长。