Quote by Albert Einstein
The contrasts and contradictions that can permanently live peacefully side by side in a skull make all the systems of political optimists and pessimists illusory.
Summary
This quote suggests that the complexities and contradictions of human nature and thought make it impossible to adhere to any rigid political ideology. The peaceful coexistence of contrasting ideas within an individual's mind undermines the validity of political systems that attempt to be purely optimistic or pessimistic. It implies that these ideologies oversimplify the complexities of life and fail to accurately capture the complexities and contradictions inherent in human behavior and society.