Sustainability is not just a trend, it's our responsibility to the future.

Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.

我不必那么害怕告别，因为告别不一定是永远的。

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

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.

你可能无法改变现实，但你可以改变你对现实的态度，而这，矛盾的是，会改变现实。