Vivid nouns put a picture in your head, and non-vivid nouns don't put pictures in your head.
Equality 7-2521 believed that ego is the most important concept known to man by the end of the novel.
The evidence to support the choice for the previous answer is:
Equality placed the word “EGO” over his home, carved in stone.
Ayn Rand wrote this novel to focus on the ills of the Second World War and against the Soviet Union communism. According to Rand, when an individual focus too much on society he forgets about his own personal life. The novella “Anthem” is set in a Dystopian world where technology, scientific development, education, and equality were under the control of totalitarian leaders. This novel gives an insight to the ills of Industrial Revolution which valued more on state and erased the values of human rights.
Stumble means to make a minor mistake, or to trip and almost fall.
When you make a mistake in your words as you are giving a speech, this is an example of when you stumble.
When you catch your foot on a crack in the sidewalk and almost fall down, this is an example of when you stumble.