Answer:
Ethos may be a Greek acceptation "character" that's accustomed describe the guiding beliefs or ideals that characterize a community, nation, or ideology. The Greeks additionally used this word to visit the facility of music to influence emotions, behaviors, and even morals.
Explanation:
These are some of the declarations that shows the central theme in Nelson Mandela's Nobel Prize address "The end of Racism":
1. Unselfish acts in defense of justice and human dignity will result in a future triumph over racism.
This declaration reflects all the efforts that Albert Luthuli, Martin Luther King, Mandela himself, and others carried on to finish the racism since a time ago, and how this movements and fights let the racism doesn't exist in the future.
2. The reward of a nation's sacrifices are not measured in monetary riches but in the values of a free society.
Mandela declared the greatest reward would be the freedom of people, children, and their happiness.
3. Good governance of a nation requires equal participation by its citizens.
One of the most important things to finish the racism was the equal rights, that each citizen could vote doesn't matter his color skin, beliefs, or his race, a good government would let the freedom of its citizens and the compliance of their rights.
I believe it means that if you fall without a helmet on, you could concuss yourself or cause other damage to your brain. Not entirely sure though!