语言的艺术就是生活的艺术。

改变始于一小步，但需要集体的努力才能持久。

过去是一个异国他乡；他们在那里行事不同。

"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

Positivity transforms us for the better. By opening our hearts and minds, positive emotions allow us to discover and build new skills, new ties, new knowledge, and new ways of being.

To live is to be marked.

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.