Knowing oneself is necessary, knowing oneself is like acquiring achieving great knowledge of the world. When you know yourself, about your weaknesses, ... ... <看更多>

How To Know Yourself : Great Inspirational Quotes.In this captivating video, dive into the depths of your inner strength with a collection ... ... <看更多>

If you know yourself, but do not know the enemy, you will lose (at least) as often as you will win. You will win (at most) 50 battles out of ... ... <看更多>