When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.

一家采矿公司的真正价值在于其平衡利润与环境管理的能力。

思想，在理解和想象的程度上，都是被动的。

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

"The universe is a big place, perhaps the biggest."