Sustainability starts with small steps, but requires big vision.
可持续发展始于小步，但需要大视野。
A wise man said， “Before you speak， let your words pass through three gates. At the first gate， ask yourself， “Is it true？” At the second gate ask， “Is it necessary？” At the third gate ask， “Is it kind？”
The richness I achieve comes from nature, the source of my inspiration.