Sometimes it’s the people no one imagines anything of who do the things that no one can imagine.

We ought not to act and speak as if we were asleep.

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.

最大的挑战不是科学，而是改变人们的观念。

我们生活在一个过去总是存在，现在总是被过去困扰的世界。