The value of an economic model lies in its ability to explain and predict.

The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

追求智慧的人永远不会停止探索。

The severity of Russian laws is alleviated by the fact that it is not obligatory to execute them.

医学的未来在于根据个人需求量身定制的个性化医疗。

物理学家必须对自然法则的简洁与美怀有一种信念。

【解释】仁慈的人爱人，有礼貌的人尊敬人，爱别人的人，别人也会爱他；尊敬别人的人，别人也会尊敬他。