Appendix I: Speeches Information
The dataset under study have been gathered from various online sources. As these speeches are all publicly accessible online, they ensure transparency and reproducibility of the research, while also allowing anyone interested to delve deeper into the original source of wisdom (Adichie, 2018; Ardern, 2022; Baron, 2020; Bezos, 2010; Bloomberg, 2021; S. K. Brown, 2018; Burns, 2016; Cook, 2019; Cordova, 2020; Cuellar, 2017; DeGeneres, 2009; Engel, 2015; Gaiman, 2012; Gates, 2007; Gawande, 2021; Hastings, 2022; Jobs, 2005; Lewis, 2018; Merkel, 2019; Musk, 2012; O’Brien, 2011; B. Obama, 2009; M. Obama, 2015; Portman, 2015; Rowling, 2008; Sandberg, 2016; Simmons, 2021; Spielberg, 2016; Wallace, 2005; Winfrey, 2013; Zakaria, 2012; Zuckerberg, 2017).
| HyperlinkedName | Image | title | location | year | profession | SpeechLength |
|---|---|---|---|---|---|---|
| Chimamanda Ngozi Adichie |
|
Cultivating a sense of empathy | Harvard | 2018 | Arts and Literature | 1823 |
| Jacinda Ardern |
|
The Fragility of Democracy | Harvard | 2022 | Law and Politics | 1777 |
| Barack Obama |
|
The World as It Should Be | Notre Dame | 2009 | Law and Politics | 1692 |
| Martin Baron |
|
Imperfect though | Harvard | 2020 | Law and Politics | 1678 |
| Jeff Bezos |
|
Two key questions | Princeton | 2010 | Business | 1647 |
| Bill Gates |
|
Global inequality, technology and innovation | Harvard | 2007 | Business | 1603 |
| Mike Bloomberg |
|
Communication in the Digital Age | Johns Hopkins | 2021 | Business | 1541 |
| Sterling K. Brown |
|
Let Your Light Shine | Stanford | 2018 | Entertainment | 1538 |
| Ken Burns |
|
Reflections on History | Stanford | 2016 | Arts and Literature | 1507 |
| Tim Cook |
|
Responsibility and Building | Stanford | 2019 | Business | 1436 |
| France A. Córdova |
|
Navigating a Changing World | Stanford | 2020 | Academia | 1429 |
| Mariano-Florentino Cuéllar |
|
The Gift of Progress | Stanford | 2017 | Entertainment | 1353 |
| Ellen DeGeneres |
|
Follow Your Passion, Stay True to Yourself | Tulane | 2009 | Entertainment | 1334 |
| Richard Engel |
|
Taking the Leap | Stanford | 2015 | Law and Politics | 1323 |
| Neil Gaiman |
|
Make good art | University of the Arts | 2012 | Arts and Literature | 1319 |
| Atul Gawande |
|
Finding Purpose in Life | Stanford | 2021 | Academia | 1304 |
| Reed Hastings |
|
Keys to Progress and Change the World | Stanford | 2022 | Business | 1283 |
| Steve Jobs |
|
Commencement Address at Stanford | Stanford | 2005 | Business | 1248 |
| John Lewis |
|
Importance of equality | Harvard | 2018 | Law and Politics | 1189 |
| Angela Merkel |
|
Anything can change | Harvard | 2019 | Law and Politics | 1170 |
| Michelle Obama |
|
Engage with the world around | Oberlin | 2015 | Law and Politics | 1102 |
| Elon Musk |
|
Think Big and Dream Even Bigger | Caltech | 2012 | Business | 1099 |
| Conan O'Brien |
|
Failure and Invention | Dartmouth | 2011 | Entertainment | 1091 |
| Natalie Portman |
|
Embracing Inexperience | Harvard | 2015 | Entertainment | 1076 |
| J.K. Rowling |
|
The Fringe Benefits of Failure | Harvard | 2008 | Arts and Literature | 1074 |
| Sheryl Sandberg |
|
Finding Gratitude and Appreciation | BERKELEY | 2016 | Business | 1022 |
| Ruth J. Simmons |
|
Fight inequality | Harvard | 2021 | Academia | 999 |
| Steven Spielberg |
|
A villain to vanquish | Harvard | 2016 | Entertainment | 992 |
| David Foster Wallace |
|
This is Water | Kenyon | 2005 | Arts and Literature | 884 |
| Oprah Winfrey |
|
An internal emotional G.P.S | Harvard | 2013 | Entertainment | 837 |
| Fareed Zakaria |
|
We live in an age of progress | Harvard | 2012 | Law and Politics | 742 |
| Mark Zuckerberg |
|
Purpose and Community | Harvard | 2017 | Business | 591 |