Happiness is brief. It will not stay. God batters at its sails.

The most successful organizations are those that create value for all stakeholders—customers, employees, shareholders, and communities.

因此，乐趣和避免痛苦是立法者所考虑的目标。

如果你下定决心，你可以完成任何事情。

数学是一门活生生的学科，随着新的思想和发现不断演变。