我们从地下开采的金属应该在人与人之间架起桥梁,而不是筑起围墙。
最好的农业解决方案往往是最简单的。
I don’t like to be told what to do.
Every mathematical problem is a window into a deeper understanding of the world.
"The only way to get rid of a temptation is to yield to it."
Old minds are like old horses; you must exercise them if you wish to keep them in working order.