Every seed holds the potential to change the world.
Every nanometer of progress in manufacturing process is backed by the sweat of countless engineers.
我们生来都是疯狂的，有些人一直如此。
粒子的概念只是一个近似，在经典极限下有效。
The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute that it takes me to compose this sentence, thousands of animals are being eaten alive, many others are running for their lives, whimpering with fear, others are slowly being devoured from within by rasping parasites, thousands of all kinds are dying of starvation, thirst, and disease.