The mind is not a passive mirror of the world but an active participant in constructing reality.
追求数学真理就是追求美、优雅和简洁。
Sustainability isn't a choice; it's a responsibility we owe to the ocean and those who depend on it.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
