Sustainability isn't just about protecting trees; it's about ensuring a future where both people and nature can thrive.

The best mathematics is simple, but not too simple.

The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides.

统计学家不能逃避责任，必须清楚地理解科学推断的原则。