目的赋予心理活动意义。

和平时期流汗越多，战争时期流血越少。

People with a sense of fulfillment think it a good world and would like to conserve it as it is, while the frustrated favor radical change.

家具设计的未来在于可持续性和功能性。

创造财富并没有错，错的是为了钱本身而爱钱。