Based on the Four Great Classics, medical experts in different dynasties further enriched and developed the theoretic system of TCM.

在四大经典的基础上， 历代的医学步丰富和发展了中医的理论体系。

Sun Wu disclosed in his book a series of military rules and principles, and put forward a complete system of military theory.

孙武在书中揭示了系列具有普遍意义的军事规，提出了套完整的军事理论体系。

Copernicus theorised in 1543 that all of the planets that we knew of revolved not around the Earth, but the Sun, a system that was later upheld by Galileo at his own expense.

1543 年，哥白尼提出个理论，称我们所知的所有行星都不是围绕转，而是围绕太阳转，伽利略后来为支持这理论体系付出了极大代价。

This theory confirmed Ptolemaic astronomy but  grounded this heliocentric approach in a more robust theoretical system. The Catholic Church famously opposed his conclusions and insisted that  Earth stood at the center of the universe.

该理论证实了托勒密天文学，但将这种以日心为中心的方法建立在个更强大的理论体系中。众所周知，天主教会反对他的结论，并坚持认为是宇宙的中心。