“Sky is the limit” – Don Quixote
“Ignorance is bliss” – Thomas Gray
“I know that I know nothing” – Socrates
“I think, therefore I am” – Rene Descartes
“What goes up must come down” – Isaac Newton
“Necessity, who is the mother of invention” – Plato
“For also knowledge itself is power” – Francis Bacon
“Do to others whatever you would like them to do to you” – Jesus (Matthew 7:12)
“The first duty of a government is to give education to the people ” – Simón Bolívar
“Never try to teach a pig to sing; it wastes your time and it annoys the pig” – Robert Heinlein
“The three greatest fools of History have been Jesus Christ, Don Quixote . . . and me!” – Simón Bolívar
“Give me a lever long enough and a fulcrum on which to place it, and I shall move the world” – Archimedes