每一棵种植的树都是治愈地球的一步,但真正的改变需要系统性行动。
Every tree planted is a step toward healing the planet, but real change requires systemic action.
The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.
The revolution is made through human beings, but individuals must forge their revolutionary spirit day by day.