"Ningún pesimista jamás descubrió los secretos de las estrellas, ni navegó hacia una tierra inexplorada, ni abrió una nueva puerta para el espíritu humano."

“If you know the enemy and know yourself, you need not fear the result of a hundred battles...”

“The key to immortality is first living a life worth remembering.”

“Perseverance is the key to unlocking your potential”

“Success is not how high you have climbed, but how you make a positive difference to the world”

“The reasonable man adapts himself to the world: the unreasonable one persists in trying to...”

“It's not the size of the dog in the fight, it's the size of the fight in the dog.”

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

“There’s a field somewhere beyond all doubt and wrong doing. I’ll meet you there.”

“Whatever the problem, be part of the solution. Don't just sit around raising questions and...”

“In the old world, you devoted 30% of your time to building a great service and 70% of your...”

“Your ability to communicate is an important tool in your pursuit of your goals, whether it...”

“Success is stumbling from failure to failure with no loss of enthusiasm.”