"No hay dos inteligencias iguales."

“To expect the unexpected shows a thoroughly modern intellect.”

“The greatest use of life is to spend it for something that will outlast it.”

“An eye for an eye will only make the whole world blind.”

“If you've got an idea, start today. There's no better time than now to get going”

“A friend to all is a friend to none.”

“Expose yourself to your deepest fear; after that, fear has no power, and the fear of freed...”

“There’s no reason to have a plan B because it distracts from plan A. ”

“Life is like riding a bicycle. To keep your balance, you must keep moving.”

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

“The voice of the intellect is a soft one, but it does not rest until it has gained a hearing.”

“Convince your enemy that he will gain very little by attacking you; this will diminish his...”

“The purpose of our lives is to be happy”