煤炭的未来不在于数量，而在于我们能否清洁高效地利用它。
The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.
死亡终将是尽头，但生活充满了无限的可能。
基础设施必须服务于人，而不仅仅是经济。
未来属于今天为之准备的人。
Comparing ourselves to others is a surefire way to feel worse about our own lives.
The journey of a thousand miles begins with one step.
Happiness is secured through virtue; it is a good attained by man's own will.
燃气发动机是所有热机中最完美的，因为它结合了蒸汽机和内燃机的优点。