"Si quieres ser respetado por los demás, lo más importante es respetarte a ti mismo. Solo por eso, solo por el respeto propio obligarás a los demás a respetarte."

“Yesterday is history, tomorrow is a mystery, today is a gift of God, which is why we call ...”

“The best preparation for good work tomorrow is to do good work today”

“Tomorrow is promised to no one”

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

“The essence of strategy is choosing what not to do”

“We simply attempt to be fearful when others are greedy and to be greedy only when others are fearful”

“Believe you can and you're halfway there”

“Neurosis is the result of a conflict between the ego and its id.”

“The only true wisdom is in knowing you know nothing”

“Whether you think you can, or you think you can't—you're right.”

“If you’re absent during my struggle don’t expect to be present during my success.”

“If you're not flexible, you'll pound your head against the wall and you won't see a differ...”