The richness I achieve comes from Nature, the source of my inspiration.
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
解释:德行不够优良的人,难以有崇高的信念与理想。才能不够突出的人,难以有渊博的知识和见解。
The quality of an organization's courage determines the quality of its innovation.