Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

Sustainability is not just a trend, it's a responsibility we owe to the next generation.

对我来说，如果我有一条围巾，我可以用它来围着我的脖子，并且能带走它。我有一朵花的话，我就可以摘下我的花，并且把它带走。可你却不能摘下这些星星呀！

The most important thing in science is not to solve problems, but to ask the right questions.

A book should be an experience, not just something you read.

Legal rules are not merely predictions of what courts will do, but are reasons for action.

Every chemical process tells a story - our job is to make sure it's a story worth telling.

The most important property of a program is whether it accomplishes the intention of its user.