Innovation in mining technology is essential to meet the world's energy demands.
"The task of the poet is to give voice to what is otherwise unspeakable."
要养活世界，我们必须首先尊重使农业成为可能的自然循环。
Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.
教育就是激发生命，充实生命，协助孩子们用自己的力量生存下去，并帮助他们发展这种精神。