可持续性不是一种选择,而是长期成功的必要条件。
Sustainability is not an option; it's a necessity for long-term success.
最好的儿童书籍是那些让孩子思考的书籍。
奖赏不正确,没有鼓励作用;施刑不正确,也起不到惩戒作用。
The world is full of mysteries, and that is its beauty.
On pricing: "There are two kinds of companies, those that work to try to charge more and those that work to charge less. We will be the second."
如果你对每一次不公正都感到愤怒,那么你就是我的同志。