Joy sparks the urge to play, interest sparks the urge to explore, contentment sparks the urge to savor and integrate, and love sparks a recurring cycle of each of these urges within safe, close relationships.

墨子说：言论如果能够付诸行动的就可以讲；不能够付诸行动的就别多说。言论不能付诸行动的而常讲，这就是卖弄口才了。

You are not defined by your past. You are prepared by your past.

我们飞得越高，对于那些不能飞翔的人，我们就显得越小。

Sustainability starts with small steps, but requires big vision.

你知道的越多，你能知道的就越多。