The decline of violence may be the most significant and least-appreciated development in the history of our species.
暴力的减少可能是我们物种历史上最重要却最不被重视的发展。
The facts are always friendly, every bit of evidence one can acquire, in any area, leads one that much closer to what is true.
当我们被爱时，我们都会变得更好。
永远不要低估一个互相信任的团队的力量。
帮助别人，做善事，最令我愉悦；认真读书，重修养，最为人赞许。
我不想有一天醒来，发现自己没有充分活过。
权力平衡是维持国际体系和平的唯一途径。