“Without passion, you don't have energy; without energy, you have nothing. Nothing great in the world has been accomplished without passion.”

“We assert then that nothing has been accomplished without interest on the part of the actors; and — if interest be called passion, inasmuch as the whole individuality, to the neglect of all other actual or possible interests and claims, is devoted to an object with every fibre of volition, concentrating all its desires and powers upon it — we may affirm absolutely that nothing great in the World has been accomplished without passion.”

“Nothing is so intolerable to man as being fully at rest, without a passion, without business, without entertainment, without care.”

“You cannot have strong leadership without passion.”

“Passion about nothing is like pouring gasoline into a car without wheels.”

“Passion gives you energy.”

“Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.”

“Being positive is attracting good energy to you, without needing to suck energy from others.”

“Nothing can be accomplished without solitude; I have made a kind of solitude for myself.”

“Love without passion has no value.​​”