勤奋 

    Thomas Edison 
    Genius is one percent inspiration and ninety-nine percent perspiration. 
    Useful Quotations

    想象力 

    Albert Einstein 
    Imagination is more important than knowledge.

    挑战

    Walter Begehot 
    The great pleasure in life is doing what people say you cannot do.

    机会与准备

    Abraham Lincoln 
    I will prepare and some day my chance will come.

    信心与事实

    Henry Ford 
    Whether you think you can or think you can/"t -- you are right.

    English Proverb 
    Where there/"s a will there/"s a way. 
    There is no failure excepting no longer trying. 
    Luck is what happens when preparation meets opportunity.