It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.  

我们靠获得的东西生存。但我们靠给予的东西生活。

用音乐传递爱，用爱感动世界。

Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.

In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.

【释义】说话不超越自己的行动能力，行为不超越世间的正道。