数学家研究纯数学不是因为它有用;他研究它是因为他喜欢它,他喜欢它是因为它美丽。
问题的解决不是机械地应用过去的经验,而是通过重构情境来实现。
I don't keep a journal. I keep a life.
Innovation in leather tanning isn't just about technology; it's about respecting the craft while evolving it.