Fourth, security depends on win-win principles. Win-win principles are cornerstone for sustained security. A Western saying goes, when goods don' t cross borders, soldiers will. The risk of security conflict will be significantly reduced when the interests of countries intertwine and converge. Although more than 20 years have passed since the end of the Cold War, the zero-sum Cold War mentality still lingers, as evidenced by the flaring wars and conflicts in some regions. A proverb in Latin America says that only when it is good for all can it be truly good for yourself. We maintain that countries should abandon the obsolete zero-sum security concept and view and handle international security issues based on mutual respect and win-win cooperation. No country should seek its own security at the expense of the security of other countries. We are resolutely opposed to acts that benefit oneself at others' expense, shift trouble onto others, and still less to say, that destabilize a region or even the whole world for the sake of selfish interests.
According to the Chinese classic Book of Change, as heaven maintains vigor through movements, a gentleman should constantly strive for self-perfection; as earth's condition is receptive devotion, a gentleman should hold the outer world with broad mind. This is where the motto of Tsinghua University comes from. Although the path towards peace is tortuous and difficult, peace is the common ideal of mankind and the trend of the times. I hope that peace-loving and visionary people of all countries will work together to pursue peace, development and security, and build a harmonious world of enduring peace and common prosperity.
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