有成就感的人会把世界看成一个友好的世界，并乐于看到它照原样保持下去，但失意者却会乐于看到世界急遽改变。
People with a sense of fulfillment think it a good world and would like to conserve it as it is, while the frustrated favor radical change.
矿业中的每个挑战都是重新定义未来的机会。
No wise pilot, no matter how great his talent and experience, fails to use a checklist.
"El silencio es el espacio donde las palabras encuentran su verdadero significado."
翻译：如果士卒还未真心拥护就施加刑罚，他们就不服，不服就难以使用；如果士卒已经真心拥护了还不施加刑罚，也不可用。
What we gain by experience is more real and more solid than what we gain by reasoning.