The secret of change is to focus all of your energy not on fighting the old, but on building the new.

相对论不仅仅是一种科学理论；它是一种哲学理论。

The next green revolution will be led by those who bridge tradition and innovation.

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.

阅读好书，就如同与过去几个世纪最杰出的人物交谈。