There is no evidence to suggest that Albert Einstein ever expressed regret or wished he had never discovered the theory of relativity due to its paradoxes. On the contrary, Einstein was highly confident in the correctness of his theory and its revolutionary implications for our understanding of the universe.
Einstein developed the theory of relativity, both the special and general theories, during the early 20th century. These theories introduced profound and counterintuitive concepts, such as time dilation, length contraction, and the equivalence of mass and energy (E=mc²). They challenged classical notions of space, time, and motion, and their implications often led to seemingly paradoxical scenarios.
However, Einstein embraced these paradoxes as necessary consequences of the theory's fundamental principles. He believed that the theory accurately described the behavior of the physical world, even if it meant accepting unconventional ideas or counterintuitive results. Rather than seeing the paradoxes as flaws, Einstein considered them as opportunities to deepen our understanding and expand scientific knowledge.
Einstein's confidence in his theory was well-documented in his writings, interviews, and correspondence. He defended the theory of relativity against critics and supported its experimental verification. Throughout his life, Einstein remained proud of his contributions to physics, and he continued to explore and refine his ideas until his death in 1955.
It is important to remember that scientific theories, especially those as revolutionary as relativity, can be challenging to grasp fully. Paradoxes and apparent contradictions often serve as catalysts for scientific progress, leading to new discoveries and insights.