To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
能源行业必须在应对气候变化方面以身作则。
会有障碍。会有怀疑者。会有错误。但只要努力，就没有限制。
The heart of the educator must be a living flame, a fire that can ignite the souls of the young.
The history of life is written in mutations.