Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
成人必须给幼儿提供活动的空间。
我不认为我的作品是为儿童或成人而作。我只是认为它就是存在。
领导力意味着今天做出艰难的决定,为更美好的明天铺平道路。
Sustainability is not a choice; it's our responsibility to future generations.