To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
The development of formal systems has revolutionized our understanding of mathematics.
合作是突破的关键——没有人能独自完成。
The challenge is to express the most with the least.
"The more you give, the more you receive."
The oil and gas industry has the skills and expertise to be part of the solution to climate change.
