Einstein believed that aligning with a political party often required sacrificing personal independence and critical thinking. He found the idea of conformity perplexing and felt it limited individual reasoning. This perspective reflected his broader views on individuality and the pursuit of truth.
His statement, "For me, it is a complete mystery how an intelligent man can join a party," illustrates his strong belief in maintaining personal integrity over group allegiance. Einstein's skepticism about political conformity highlights his commitment to intellectual freedom, suggesting that true understanding comes from questioning rather than adhering to established ideologies.