The human being is always more than what he has done; he is also what he can do.
人总是比他已做的更多;他也是他能做的。
文学的真正价值在于其提升人类精神的力量。
Sustainability in mining isn't an option—it's a responsibility we owe to future generations.
Investing in cleaner coal technology is an investment in the future of energy.