最伟大的头脑既能成就最大的美德，也能犯下最大的恶行。
The moment you stop learning is the moment you start failing.
La justicia sin fuerza es impotente, la fuerza sin justicia es tiranía.
The greatest wisdom is to recognize one's own ignorance.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.