Immature love says: 'I love you because I need you.' Mature love says: 'I need you because I love you.'
在心理过程的演化中，功能先于形式。
We must balance economic growth with environmental stewardship.
Nature tends to produce constancy in all her works, but she does not always succeed.
Innovation is the lifeblood of the petroleum and chemical industry. Only by continuous technological breakthroughs can we achieve sustainable development.
"The power of a story is in its ability to inspire hope."