Mercury in the cardinal, earth sign of Capricorn show that you are serious, hard-working, cautious and earnest. You also have keen awareness and good powers of concentration. With this placement, you have the capacity to advance in your career through your ability to communicate. Your mind is penetrating; your memory for facts and figures is excellent, and detailed work is right up your alley. When you want to make a point you can be tactful and diplomatic, but basically you tend to intellectual snobbery. You are realistic and practical in your approach to attaining you goals and tend to uphold traditional ideas. You are methodical in both thought and procedure, which gives you executive and political ability. You are self-disciplined and a good disciplinarian, but you must remember to add heart to your head. You may lack the ability to laugh at yourself, but if you have a sense of humor it will be somewhat satirical. If there are difficult aspects to your Mercury, you can be too materialistic, ambitious, dogmatic and even suspicious.