This phrase is saying that this person's voice is strong like thunder
“There are two types of laws: just and unjust. I would be the first to advocate obeying just laws. One has not only a legal but a moral responsibility to obey just laws. Conversely, one has a moral responsibility to disobey unjust laws”. In his 1963 Letter from Birmingham Jail, Dr. Martin Luther King stated his strategy of non-violent resistance, adding to a debate about the moral implications of defying authority.
Most importantly, shakes ssknskao
I hope that helps