We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.
Maybe God wants us to meet a few wrong people before meeting the right one， so that when we finally meet the person， we will know how to be grateful。
Everyone is worthy of love, except him who thinks that he is.
Collaboration across disciplines is where the most exciting breakthroughs happen.
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.