白天从妻子儿女的反应来省察自己的行为以看其是否诚信；夜晚由梦境情况来考验自己的志气，以知道其是否坚定。
The future of dairy lies in technology, but the heart of it remains in tradition and craftsmanship.
The future of global politics will be shaped by the competition between democratic and authoritarian systems.