Arthur Holly Compton was an American physicist who won the Nobel Prize in Physics in 1927 for his 1923 discovery of the Compton effect, which demonstrated the particle nature of electromagnetic radiation. source
Stress is a byproduct of subconscious beliefs you have about the world. You can't choose not to believe something. You believe it because you think it's true. To eliminate stress, you must learn to challenge these beliefs so that you see them differently.