称人以颜子，无不悦者，忘其贫贱而夭；指人以盗跖，无不怒者，忘其富贵而寿。
称为颜子，没有不高兴的，虽颜回贫贱短寿。称人为盗跖，没有不发怒的，虽发不义之财且长期寿。
The best mathematics is not just correct; it is illuminating.
To teach mathematics is to inspire the next generation of thinkers and problem solvers.
"In times of crisis, true leaders emerge by making tough decisions with conviction."
"History remembers the dates, but biography remembers the days."