"La predicción es muy difícil, especialmente si se trata del futuro"

“Every great and deep difficulty bears in itself its own solution. It forces us to change o...”

“We are all agreed that your theory is crazy. The question is whether it is crazy enough to be true.”

“Prediction is very difficult, especially if it's about the future”

“There are some things so serious you have to laugh at them.”

“Live for today, hope for tomorrow”

“What you get by achieving your goals is not as important as what you become by achieving your goals”

“You never fail until you stop trying.”

“In the heat of battle when every muscle screams to give up, discipline is what separates t...”

“Tomorrow is promised to no one”

“A diplomat is a man who always remembers a woman's birthday but never remembers her age.”

“A team aligned behind a vision will move mountains”

“Unless someone like you cares a whole awful lot, nothing is going to get better. It's not.”

“He will win who knows when to fight and when not to fight.”

“Champions aren't made in gyms.”

“You are what you believe yourself to be.”

“The key to success is not in the will to win, but in the will to prepare to win.”