世界可能很刻薄，但人们不必如此。
The world might be mean, but people don't have to be.
The secret of joy in work is contained in one word – excellence. To know how to do something well is to enjoy it.
I write to make sense of my own life.
"Every experiment, no matter how small, is a step towards a greater understanding."
In mathematics, the journey from confusion to clarity is the most rewarding experience.