不断学习，不断成长。
Keep learning, keep growing.
数学的本质在于它的自由。
孤独是人类的本质。
我们每个人出生时都带着一套独特的潜能，我们生活中的任务就是尽可能多地实现它们。
树木是圣哲。
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
The best way to predict the future is to create it.
煤炭行业必须在保持效率的同时适应全球能源转型。
Writing is a way of living life twice, in the moment and in retrospect.