不患位之不尊，而患德之不崇。
【释义】不要担心自己的职位不高，而要担心自己的品德不高尚。
没有个人的推动，社会就会停滞。没有社会的同情，个人的推动就会消失。
People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.
The key to sustainable economic development is the continuous improvement of human capital through education and innovation.