Only by dedicating oneself to society can one find out the meaning of a life that is actually short and risky - Einstein

Success = hard work + correct method + less Talk empty words. ——Einstein

Courage and perseverance. True intelligence is perseverance and ambition. -------Napoleon

Successful people have great spirit, they are bold and brave. There is no word "fear" in their dictionary. They are confident that their abilities can do anything. They consider themselves to be very valuable people. ------Dale Carnegie

A country cannot live without police --Engels

Hope to adopt O(∩_∩)O Thank you