Making mistakes is OK, perhaps even encouraged. You will retain knowledge more by doing, and doing involves making mistakes. Make them and learn from them.
Be emphatic when communicating. Don’t just communicate for the sake of getting a message across or to simply receive a message. Seek to understand by putting yourself in the other person’s shoes. Related topic: cultural sensitivity.
Take control of your career and your life. Don’t just go with the flow and be influenced by others and your environment. Be the flow, be the influence, and learn how to take charge and make decisions. Keyword: Self-determination.