Chemistry is the art of building bridges between the microscopic and the macroscopic.
When we no longer have the power to change a situation, we are challenged to change ourselves.
历史不仅仅是过去的故事,它也是现在的镜子和未来的窗口。
实现明天理想的唯一障碍是今天的疑虑。
理解宇宙就是理解我们自己,因为我们都是由形成恒星的星尘构成的。