Sustainability isn't a choice—it's a responsibility we owe to the next generation.

A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.

You can't knock on opportunity's door and not be ready.

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

最好的数学家是那些不怕冒险的人。