Actions speak louder than words. How to write official script?

Tsinghua University sundial said that "facts speak louder than words". The sundial, a classical timer located at the southern end of the lawn in front of the auditorium, was originally a relic of Yuanmingyuan and was given to his alma mater when he graduated from1920th. The inscription 1920 is engraved on the lower base in Chinese and its Latin translation. "Actions speak louder than words" has since become the school spirit of Tsinghua. This school spirit has enabled Tsinghua to cultivate a large number of outstanding talents who are down-to-earth and dedicated to serving the country.