The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.

Many will call me an adventurer, and that I am...only one of a different sort: one who risks his skin to prove his truths.

Success is not about the awards, it's about touching people's lives.

"No one can avoid becoming what others believe you to be."

可持续发展不是一种选择，而是生存的必要条件。

做伟大工作的唯一途径就是热爱你所做的事。