| 2025-11-21 | Moral virtue |
| 2024-12-10 | Work ___ |
| 2024-08-04 | Set of principles |
| 2024-07-07 | Set of guiding principles |
| 2024-02-16 | Code of conduct |
| 2024-01-11 | Guiding principles |
| 2023-10-11 | Guiding principle |
| 2022-04-29 | Guiding principles |
| 2021-12-14 | Set of moral principles |
| 2021-08-04 | Moral code |
| 2020-03-17 | Set of values |
| 2019-07-02 | Set of moral principles |
| 2019-05-07 | System of moral values |
| 2018-12-09 | Value system |
| 2018-03-06 | Honesty and hard work, e.g. |
| 2017-04-17 | Set of moral principles |
| 2017-01-15 | Set of principles |
| 2015-09-24 | Work ___ |
| 2015-08-24 | System of moral values |
| 2014-12-02 | Moral tenet |
| 2014-05-14 | Set of principles |
| 2013-10-08 | Set of values |
| 2013-07-26 | Work ___ |
| 2013-01-12 | Code of conduct |
| 2012-01-09 | Moral standard |
| 2011-06-22 | Body of principles |
| 2011-06-21 | Work ___ |
| 2011-04-27 | Set of principles |
| 2010-12-20 | Body of values |
| 2010-09-19 | Work ___ |
| 2010-01-03 | Set of morals |
| 2009-06-07 | Set of moral rules |
| 2009-04-17 | Puritan ___ |
| 2009-01-04 | Work ___ |
| 2008-06-16 | Body of moral principles |
| 2008-02-24 | Work ___ |
| 2007-08-12 | Body of precepts |
| 2007-06-18 | Guiding philosophy |
| 2006-02-12 | Standard of living? |
| 2004-11-17 | Set of moral principles |
| 2004-08-08 | Moral code |
| 2004-08-04 | Body of good conduct |
| 2004-06-27 | Work ___ |
| 2004-06-20 | Moral standard |
| 2004-05-05 | Set of principles |
| 2004-03-18 | Work ___ |
| 2004-02-05 | Reason to be good |
| 2003-09-02 | Set of principles |
| 2003-06-12 | Body of values |
| 2003-06-01 | Work ___ |
| 2003-05-23 | Standard |
| 2003-01-01 | Set of principles |
| 2002-11-06 | Value system |
| 2002-05-20 | Code of conduct |
| 2001-12-13 | Set of principles |
| 2001-10-25 | Body of good conduct |
| 2001-04-19 | Value system |
| 2000-06-11 | Work ___ |
| 1999-09-24 | Hard work may be part of it |
| 1998-12-16 | Work ___ (code of the dedicated) |
| 1998-12-09 | Set of values |
| 1998-07-19 | Work ___ |
| 1997-10-17 | Body of values |
| 1997-02-03 | Moral principle |
| 1996-08-27 | Principles of good conduct |
| 1996-05-20 | Moral precept |
| 1996-05-15 | Body of values |
| 1996-01-31 | Puritan work___ |
| 1995-12-17 | Group value |
| 1994-07-05 | Work _____ |
| 1994-06-24 | Standard |
| 1993-12-05 | Code of conduct |