Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

Man's search for meaning is the primary motivation in his life.

全球金融危机是现代历史上最严重的危机，需要采取非同寻常的应对措施。

和平不是战争的缺席，而是建立在性格坚强的美德之上。

过去不是负担，而是我们构建未来的基础。

考验和冒险之间的区别在于你的态度。