• "Nothing exists except atoms and empty space. Everything else is opinion. "

    Democritus, philosopher, 460-370BC

  • "Judge a man by his questions, not by his answers."

    Voltaire [François-Marie Arouet], French philospher and author, 1694 -1778

  • "Any fool can know. The point is to understand."

    Albert Einstein, physicist, 1879 -1955

  • "It is the mark of an educated man to be able to entertain a thought without accepting it"

    Aristotle, philosopher, 384-322 BC

  • "The unexamined life is not worth living"

    Socrates, philosopher, 470-399 BC

  • "I would rather have questions that can't be answered than answers that can't be questioned"

    Richard Feynman, physicist, Nobel Laureate, 1965

  • "I learned very early the difference between knowing the name of something and knowing something."

    Richard Feynman, physicist, Nobel Laureate, 1965

  • "The pleasure of finding things out."

    Richard Feynman, physicist, Nobel Laureate, 1965

  • "We are what we repeatedly do. Excellence, then, is not an act, but a habit"

    Aristotle, philosopher, 384-322 BC

  • "Don't you have time to think?"

    Richard Feynman, physicist, Nobel Laureate, 1965

  • "Opinion is the medium between knowledge and ignorance"

    Plato, pholosopher, 428-348 BC

  • "The roots of education are bitter, but the fruit is sweet"

    Aristotle, philosopher, 384-322 BC

  • "It's not that I am so smart. But I stay with the questions much longer."

    Albert Einstein, physicist, 1879 -1955

  • "The first principle is that you must not fool yourself. And you are the easiest person to fool. "

    Richard Feynman, physicist, Nobel Laureate, 1965

  • "We cannot solve our problems with the same thinking we used when we created them."

    Albert Einstein, physicist, 1879 -1955

  • "I would trade all my technology for an afternoon with Socrates"

    Steve Jobs, Innovator, Apple co-Founder, 1955, 2011