The concept of law involves the union of primary and secondary rules.

人最珍贵的是生命，生命最珍贵的是道。

Small changes in farming practices can lead to big impacts on global food security.

"I wonder how many people I've looked at all my life and never seen."

逝者从未远离我们。他们在我们心中，在我们脑海里，而最终重要的是爱。

有时候最难的事情和正确的事情是同一件事。