States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.

I'm not afraid to fail, I'm afraid of not trying.

怀疑是智慧的开端，而非敌人。

The love for all living creatures is the most noble attribute of man.  

译文：世家子弟登上高位，而有才华的人却埋没在低级的官职中。