一个破坏其土壤的国家是在自我毁灭。
Force and fraud are in war the two cardinal virtues.
The sun shone, having no alternative, on the nothing new.
在数学研究中,坚持是关键;许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
The greater the obstacle, the more glory in overcoming it.
Innovation is not imagination out of thin air, but based on a deep understanding of user needs.