What are the profound meanings of the university motto?

Tsinghua University's school motto is "strive for self-improvement, be virtuous and carry things". These two sentences are from the Book of Changes: Heaven is powerful, gentlemen strive for self-improvement, the terrain is vast, and gentlemen carry things with morality, so as to encourage Tsinghua students to study hard, make contributions to the society and the country, and strive for self-improvement.

Peking University's school motto is "patriotism, progress, democracy and science", and Peking University has a long history, formerly known as Shi Jing University Hall. Therefore, in the late Qing Dynasty and the Republic of China, it existed as the most important university. Patriotism, progress, democracy and science are the spiritual themes of the New Culture Movement and the May 4th Movement, which have the great spirit of patriotism, progress, democracy and science to inspire students to be new youths in the new era.