Compare how pessimism and existentialism are similar to each other.

Both are intellectual movements that focus on negativity.

Both are intellectual movements that were created in the twentieth century.

Both are intellectual movements that were prominent post-World War II.

Both are intellectual movements that focus on positivity.

Both pessimism and existentialism question the meaning and purpose of life, highlighting the absurdity and uncertainties that come with existence. Both also reject traditional notions of morality and belief systems, encouraging individuals to create their own meaning in a seemingly indifferent universe. Additionally, both emphasize personal responsibility and the importance of confronting the harsh realities of life.