It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.

历史不会重演，但总会惊人地相似。”

生活中最重要的事情是停止说“我希望”并开始说“我会”。

Chemistry is the art of building bridges between the microscopic and the macroscopic.