Yang Zhenning's contribution to us is an inspiration. He has made tremendous contributions to the development of modern physics, especially in the field of quantum mechanics. He was awarded the Nobel Prize in Physics for his work on non-conservation of parity, which is a fundamental concept in particle physics. Yang Zhenning's dedication and commitment to science have inspired generations of scientists and engineers, and his influence can be seen in many fields today. His work has opened new doors for further exploration and discovery, making him an important figure in the history of science.