As the sun rose he saw other boats in toward shore, which was only a low green line on the sea.
Collaboration is key in scientific discovery; no one can do it alone.
Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.
定义就是限制。
追求知识是一生的旅程。
能源的未来不是非此即彼的选择，而是在传统能源和新能源之间找到适当的平衡。
蔬菜种植不仅是生产，更是一种责任，我们要为消费者的健康负责。
