数学的目标不是解决问题，而是理解问题。
一个组织的奉献质量决定了其服务的质量。
激情是普遍的人性。没有它，宗教、历史、浪漫和艺术都将毫无用处。
Our ambition is to be the responsible energy major, and that means producing more with less – more energy with fewer emissions.