大分子的概念并不容易被接受;它需要化学家对物质结构的思考方式发生彻底的改变。
我们能种植的最有价值的作物是信任——与消费者、社区和环境的信任。
The property which every man has in his own labor, as it is the original foundation of all other property, so it is the most sacred and inviolable.
只要做一次别人说你做不到的事,你就再也不会在意他们的限制了。
I don't have any message. I just paint pictures.
The solution of a problem appears suddenly and is not approached by a gradual, step-by-step procedure.
The key to success is to focus on goals, not obstacles.