The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.

You can't make a good deal with a bad person.

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

Quality should never be compromised for the sake of short-term profits.

The history of women’s labor force participation is not a steady march upward but a story of fits and starts.

你完成得越多，你想要完成的就越多。