The greatest happiness is to know the source of unhappiness.

The mother is the main factor in the child's world. Her behavior creates the behavior of the child.

每一个天使都是可怕的。

Sustainability is not an option; it's a responsibility we owe to future generations.

所谓意念诚实，就是说不要自己欺骗自己，像厌恶难闻气味那样厌恶邪恶，像喜爱美丽的女子一样喜爱善良，这样才能说心安理得，所以君子在一个人独处时必定要谨慎。