Thought is the means by which the organism negotiates its way through the world.
The power of poetry is in its simplicity and depth.
采矿业有能力改变社区，但前提是我们必须负责任地去做。
The sun in the head, like a free man.
Efficiency is the first virtue of engineers.
Sustainability isn’t an option; it’s a responsibility we owe to future generations.