I pursue no objectives, no systems, no tendency; I have no program, no style, no direction.

旅行是发现每个人对其他国家的看法都是错误的。

Every seed we plant today is a promise to future generations.

Suffering! We owe to it all that is good in us, all that gives value to life; we owe to it pity, we owe to it courage, we owe to it all the virtues.

An invention can be so valuable as to be worthless to the inventor.

Sustainability in mining isn't an option—it's a necessity for our future.