虽然身份卑微，但却能不失道义；虽然生活贫穷，但却能廉洁自守。
The act of reading is an act of rebellion against ignorance and oppression.
The golden rule is that there are no golden rules.
Sustainability isn't an option; it's a necessity for the coal sector.
The most dangerous phrase in business is "We've always done it this way."
The role of the artist is to ask questions, not to give answers.