I've seen the most impressive colleague.

The boss wanted to give him a hard time. It was almost quitting time, so he threw a stack of work at him, saying it had to be done by the next day.
What did he do? He didn’t say yes or no, just took it and went back to his workstation. When it was time to leave, he left on time, leaving everyone in the room staring at each other, all thinking he was doomed tomorrow.
The next morning, he clocked in on time, empty-handed, without bringing any files.
The boss asked him as soon as he entered the office, “Where’s the work?”
He said he hadn’t done it.
The boss slammed his cup on the desk, raising his voice, “What did I tell you yesterday? It’s due today! Are you deaf?”
He stood there calmly: “Mr. Zhang, when you gave me the work yesterday, there were still 20 minutes before quitting time.
This stack has over 30 pages and needs to be organized into an analysis report, which normally takes at least two days.
If you want me to finish it in one night, that’s not feasible given the workload. I can’t take it on.”
“I told you to do it, so just do it. Why all the nonsense?” The boss’s face turned red.
“It’s not nonsense,” he took out the attendance sheet from his drawer, “The company policy states that the standard workday is 8 hours, and overtime requires prior approval.
I didn’t receive any overtime notice yesterday, so leaving on time is fine. If it’s urgent, you can arrange for overtime, and I’ll cooperate, but it has to follow the proper procedures.”
The office was silent, with other colleagues lowering their heads, pretending to work.
The boss stared at him for a long time, speechless, then finally waved his hand to let him go.
Later, I heard he went to HR, trying to give him a bad review. HR checked his work record and found that in three years of employment, he had never made a mistake, always completed tasks on time, and had no reason for deductions.
That stack of work was eventually divided among three people and took two days to finish.
Since then, the boss never deliberately caused trouble for him again.
Someone asked if he was afraid of being fired at the time. He said, “Work is work, rules are rules.
He’s the boss, I respect that, but I won’t be bullied with unreasonable demands.
If I get fired, I’ll accept it. After all, justice travels the world.”
He’s still the same—punctual, doing his job well, no unnecessary words.
But everyone’s eyes on him now carry more respect.
In the workplace, being able to stand your ground, remain humble and confident, really takes some backbone.