“The most important question in the world is, Why is the child crying?”

“Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.”

“You only live once, but if you do it right, once is enough.”

“Mistakes are the portals of discovery”

“If you want to live a happy life, tie it to a goal, not to people or things.”

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

“The greatest victory is that which requires no battle.”

“Words have a magical power. They can bring either the greatest happiness or deepest despair.”

“The one unchangeable certainty is that nothing is certain or unchangeable”

“Success will always be driven by focus & effort — and we always control both.”

“If I had asked people what they wanted, they would have said faster horses.”

“Happiness is when what you think, what you say, and what you do are in harmony.”

“Success is where preparation and opportunity meet”