The paper industry has a responsibility to lead the way in environmental stewardship.

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

The most dangerous phrase in business is "We've always done it this way."

Take away love and our earth is a tomb.

作家成功的真正标准不在于获得的赞誉，而在于触动的心灵。

人类认知的力量来自于其概括的能力。

数学是理性的音乐。