统计学家不能逃避理解他所应用或推荐的过程的责任。

The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

Sustainability is not an option; it's a necessity for the future of agriculture.

证明的目的是理解，而不仅仅是验证。

基因组是生命韧性的证明。