人类社会的经济发展长期受制于“马尔萨斯陷阱”，即经济增长虽然带来人均收入的提升，但也同时促进了人口增加，进而又将人均生活水平拉回初始状态。直到18至19世纪，这一约束才被突破，人类生活水平开始实现持续提升。著名经济学家Oded ...

盛夏时节，杭州市余杭区一支由7至14岁少年组成的少年龙舟队正在集训。 当地的五常龙舟胜会已有500多年的历史，被列入国家级非物质文化遗产名录。 40多年前的龙舟胜会上，曾有一支少年队伍亮相 ...

侯德榜的《纯碱制造》打破西方技术垄断，被俄罗斯专家视为制碱“圣经” ...

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Notice: The content above (including the videos, pictures and audios if any) is uploaded and posted by the user of Dafeng Hao, which is a social media platform and merely provides information storage ...

Notice: The content above (including the videos, pictures and audios if any) is uploaded and posted by the user of Dafeng Hao, which is a social media platform and merely provides information storage ...

北宋的张载曾说过四句话：“为天地立心，为生民立命，为往圣继绝学，为万世开太平。”这四句话可以说是对中国知识分子的期许，同时也是中国知识分子应有的四个方向或维度。我在这里稍做扭曲，将张载所说的这四个方向，转化成知识分子的四种类型。 第一类是“为天地立心 ...

乾隆时代就是如此，当时的中国文化是没有内涵的，只是表面繁华。 没有自己特色的中国文化到了今天已经是只剩皮毛，不见血肉，当然也没有灵魂，这着实让人痛心。 国人如今的心灵和精神状态的空虚是已存在的现象，而心存空虚这一现象不会自然解决。

曾被认为活不过15岁的孩子，已经目睹了很多人的黄金时代，并用蹒跚的脚步，踏碎这世间诸多流言。如今，一个商业文化席卷全球的时代，物欲和焦躁滚滚而来。如此大师级的存在，恐怕再难出现了…… ...