Efficiency in resource use isn’t just good for the planet—it’s good for business.

【大意】等到大寒节气到来时，冰霜寒雪从天而降，然后才能知道只有松柏能经得住严寒考验，依然繁茂。

The supreme question about a work of art is out of how deep a life does it spring.

You have to believe in yourself when no one else does.