智者和愚人都没有害，最危险的倒是智愚参半。

爱孩子意味着预见他们的未来。

The first prerequisite of a sound foreign policy is a clear understanding of one's own values.

The winds and waves are always on the side of the ablest navigators.

智能化开采是煤炭行业高质量发展的关键。