We must treat soil health as the foundation of our food security.

The truth is rarely pure and never simple.

有两类公司，一种公司为提高价格而工作，一种公司为降低价格而工作。我们会成为第二种。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

质量不是一种技术，而是一种哲学。