The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
采矿中的风险管理不是要消除所有风险 - 那是不可能的 - 而是要明智地理解和减轻风险。
The true measure of success is how many times you can bounce back from failure.
如果不能满足农民的需求,最先进的技术也毫无价值。#
天地间存在灵性,精神永不消亡。
A man knows when he is growing old because he begins to look like his father.
The role of the artist is to ask questions, not answer them.