The brave may not live forever, but the cautious do not live at all.
代数是人类创造的一种智力工具,用于清晰地表达世界的数量关系。
有时候,保持理智的唯一方法就是稍微疯狂一点。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.