Hope is not a feeling; it is a doable thing.
天然气行业的创新必须平衡即时需求与长期可持续性目标。
创新需要包容失败的文化，只有敢于试错才能进步。
The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.
The study of automorphic forms is not just a technical subject but a philosophical one.