"La única diferencia entre una persona rica y una persona pobre es cómo usan su tiempo"

“We don't stop playing because we grow old; we grow old because we stop playing.”

“The greater the difficulty, the greater the glory”

“He who is not contented with what he has, would not be contented with what he would like to have”

“When you're at the end of your rope, tie a knot and hold on.”

“The people who are crazy enough to think they can change the world are the ones who do.”

“These pains you feel are messengers. Listen to them”

“Don’t count the days; make the days count.”

“When making a decision of minor importance, I have always found it advantageous to conside...”

“I care not what others think of what I do, but I care very much about what I think of what...”

“Logic will get you from A to B. Imagination will take you everywhere”

“Without deviation from the norm, progress is not possible”

“Life has no limitations, except the ones you make.”