The lifetime philosophy, the time economic, the time geography and the city time-space rationale are the main theories of the time dimension aspects.

其中，时间维度方面，生命时间哲学、时间经济学、时间地理学和城市时问距离理论是研究城市休闲时间有关的重要理论。

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Reading them can acquaint people with traditional Chinese society, history, geography, folk customs and philosophy of life.

阅读四大名著，可以了解中国传统的社会、历史、地理、民俗和处世哲学。

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It contains many original manuscripts and rare copies of major works on history, literature, philosophy, law, astronomy, physics, chemistry, pharmacology, geography, music, mathematics, mineralogy, economy, fine arts, etc. written in Uzbek, Arabic, Farsi, Tajik, Urdu, Pushtu, Tatar, Azeri, Turkish, Turkmen, Uighur and other languages.

UNESCO: OFFICE IN TASHKENT

He bought thousands of books including works on music, mathematics, astronomy, history, geography, magic, theology and philosophy.

ECONOMIST: Spanish empire