The mining industry must lead in demonstrating how extractive operations can coexist with environmental stewardship.

The walls of the educational system must come down. Education should not be a privilege, so the children of those who have money can study.

数学家的工作大多是孤独的追求，但它建立在许多其他人的工作之上。

教育的根是苦的，但果实是甜的。