The worth of a psychological theory is measured by its usefulness.

The future of dairy lies in balancing tradition with cutting-edge science to meet global needs.

在每一次日落中，都有上千种颜色等待被发现。

人将会死，国家会建立亦会倾颓；但思想将永远长存。思想可承受的远大过死亡。

Color is my day-long obsession, joy, and torment.

The way we measure economic success must evolve to reflect the realities of people’s lives.

翻译：天空高高在上而大地在人们脚下，乾坤所代表的天地的位置就确定了；把在人们脚下的和高高在上的罗列出来，高下与卑贱事物的地位就排定了；运动与静止有规律，阳刚和阴柔就明确分开了。