When you show yourself to the world and display your talents, you naturally stir all kinds of resentment, envy, and other manifestations of insecurity... you cannot spend your life worrying about the petty feelings of others
The FEYNMAN technique of learning:
STEP 1 - Pick and study a topic
STEP 2 - Explain the topic to someone, like a child, who is unfamiliar with the topic
STEP 3 - Identify any gaps in your understanding
STEP 4 - Review and Simplify