A small movement or a small action is all you need to keep your fire burning consistently.

一个小小的举动和行动就能使你的信念之火不停燃烧。

youdao

Caustic: Capable of burning, corroding, dissolving, or eating away by chemical action.

腐蚀性的：通过化学反应可被灼烧、腐蚀、销溶或蚀尽的。

youdao

As for their action of burning books, I think it does't help, after all, do you think which one matters, pirated dream of the red Chamber or genuine flower falls in dream?

对于他们焚书的行为，我认为完全不起作用，毕竟，你认为是哪个重要呢，是盗版的《红楼梦》还是正版的《梦里花落知多少》？

youdao

Edward swings at the burning grass with the board, and Henry sees that the action only fans the flames, which billow and ripple like an army of yellow flags.

NPR: Excerpt: 'Woodsburner'

He also praised the "heroism" of firefighters who battled the fires across the capital and described the action of rioters who stopped London Fire Brigade crews from reaching the burning buildings as "demented".

BBC: London riots: More than 1,000 arrested over disorder