"El hombre necesita, para su felicidad, no solo el disfrute de esto o aquello, sino esperanza, iniciativa y cambio."

“A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.”

“The fundamental reason why the rationalist argument fails is that it presupposes a pleasur...”

“To teach how to live without certainty, and yet without being paralyzed by hesitation, is ...”

“Man needs, for his happiness, not only the enjoyment of this or that, but hope, and enterp...”

“The great question that has never been answered, and which I have not yet been able to ans...”

“Training for me is a metaphor for life, period. The dedication, the determination, the des...”

“The more you confront the uncomfortable, the more you will become comfortable with it”

“Great things come from hard work and perseverance. No excuses.”

“You think your pain and your heartbreak are unprecedented in the history of the world, but...”

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

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

“If you're watching your competitors, you're unlikely to invent a bunch of stuff on your own.”

“In this life, it’s not what you hope for, it’s not what you deserve—it’s what you take!”

“The opportunity of defeating the enemy is provided by the enemy himself.”

“I say luck is when an opportunity comes along and you're prepared for it.”

“Everyone seems to have a clear idea of how other people should lead their lives, but none ...”