The assistant I used to lead has resigned.

This is my first time managing, and I haven't done it well.
I've done everything I can to do my part right.
The most I've said is probably: don't waste time.
Now, in the future, and always: don't waste time.
Teacher Zhang Xuefeng's passing reminds me that within our limited lifetime,
I shouldn't do things that would make me regret.
Work and learning bring me joy.