Focus on being productive instead of busy.

出自《论语·泰伯》。没有在哪个位置上担任职务，就不要去考虑那个职位应当过问的事情。

The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight.

能源转型不仅仅是减少排放，更是为世界提供可靠且负担得起的能源。