The measure of our success is not just in tons extracted, but in communities uplifted.

The pursuit of knowledge is a journey without end, but each step brings its own rewards.

穷人并不懒惰；他们只是被困在一个让他们很难摆脱贫困的系统中。

真相很少是纯粹的，也从不简单。

"The characters in my books are often people who are struggling to find their place in the world."

爱有时伴随着痛苦，但继续爱下去很重要。